RHSA-2026:52764: Important: kernel security, bug fix, and enhancement update
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: libceph: make decodepool() more resilient against corrupted osdmaps (CVE-2025-71116) kernel: libceph: replace overzealous BUGON in osdmapapplyincremental() (CVE-2026-22990) kernel: smb: client: fix OOB reads parsing symlink error response (CVE-2026-31613) kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787) kernel: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath (CVE-2026-43112) kernel: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054) kernel: ipc: limit nextid allocation to the valid ID range (CVE-2026-52923) kernel: drm/xe: Fix error cleanup in xeexecqueuecreateioctl() (CVE-2026-52976) Bug Fix(es) and Enhancement(s): xfs corruption from [xfstranscancel] during inode allocation [rhel-10.0.z] (JIRA:RHEL-142606) [RFE] Requesting FOU and GUE/GRE support in RHEL 10 [rhel-10.0.z] (JIRA:RHEL-144983) "Send error in SessSetup" messages fill up the logs [rhel-10.0.z] (JIRA:RHEL-145510) Host kernel panics with "unexpected #NM exception" at restorefpregsfromfpstate [rhel-10.0.z] (JIRA:RHEL-148634) blktests throtl/001 failed [rhel-10.0.z] (JIRA:RHEL-180588) RHEL 10: s390: Revert support for DCACHEWORDACCESS [rhel-10.0.z] (JIRA:RHEL-188179) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-abi-stableliststo a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debug-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debug-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debug-uki-virtto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-docto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-debugto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-debug-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-debug-kvmto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-kvmto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-rt-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-tools-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-tools-libsto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-uki-virtto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-uki-virt-addonsto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/libperf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/python3-perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/rtlato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/rvto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debuginfo-common-s390xto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-zfcpdumpto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-zfcpdump-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-zfcpdump-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-zfcpdump-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-zfcpdump-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-zfcpdump-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-zfcpdump-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-zfcpdump-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-debuginfo-common-ppc64leto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-core-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-core-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-debuginfo-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-devel-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-devel-matched-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-core-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-extra-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debuginfo-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-devel-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-devel-matched-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-core-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-extra-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debug-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debug-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-debuginfo-common-aarch64to a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-core-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-core-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-debuginfo-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-devel-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-core-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-extra-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debuginfo-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-devel-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-core-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-extra-6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-debugto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-debug-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-rt-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-tools-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-tools-libsto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-uki-virtto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-uki-virt-addonsto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/libperf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/python3-perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/rtlato a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/rvto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0 - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 6.12.0-55.95.1.el10_0.aa - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-52976 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-43112 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-52923 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-22990 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-46054 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-31613 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-31787 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2025-71116 - Operational
Reboot the system after applying this kernel update so it takes effect.
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:52764?
The severity of RHSA-2026:52764 is rated as important with a risk score of 70.
How do I fix RHSA-2026:52764?
You can fix RHSA-2026:52764 by updating the relevant kernel packages to the latest version provided by your Red Hat subscription.
What vulnerabilities are addressed in RHSA-2026:52764?
RHSA-2026:52764 addresses vulnerabilities including CVE-2025-71116 and CVE-2026-22990 related to the Linux kernel.
Which kernel packages are affected by RHSA-2026:52764?
Affected packages include redhat/kernel, redhat/kernel-rt, redhat/kernel-core, and several debug variants.
Is RHSA-2026:52764 applicable to all Linux systems?
RHSA-2026:52764 is specifically applicable to Red Hat-based Linux distributions and not to all Linux systems.