RHSA-2026:42919: Important: kernel security, bug fix, and enhancement update
Important: kernel security, bug fix, and enhancement update
Other sources
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: crypto: afalg - zero initialize memory allocated via sockkmalloc (CVE-2025-71113) kernel: Linux kernel: Denial of Service due to memory leak in tpm2loadcmd (CVE-2025-71147) kernel: flexproportions: make fpropnewperiod() hardirq safe (CVE-2026-23168) kernel: cxl/port: Fix use after free of parentport in cxldetachep() (CVE-2026-31530) kernel: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete (CVE-2026-46116) kernel: fanotify: fix false positive on permission events (CVE-2026-46150) kernel: drm: Set old handle to NULL before prime swap in changehandle (CVE-2026-46215) kernel: drm/xe: Fix error cleanup in xeexecqueuecreateioctl() (CVE-2026-52976) kernel: drm/xe/dma-buf: fix UAF with retry loop (CVE-2026-52950) kernel: ice: fix double-free of txbuf skb (CVE-2026-53009) kernel: Bluetooth: l2cap: Add missing chan lock in l2capecredreconfrsp (CVE-2026-53071) kernel: can: bcm: thrtimer use-after-free during RX operation teardown () Bug Fix(es) and Enhancement(s): nfsdfile slab cache objects remaining on kmemcacheshutdown during nfsd teardown while running bz1477872 testcase (JIRA:RHEL-173103) tools/lib/perf/Makefile: libperf includes appended after CFLAGS causes parallel build race, breaking kernel builds [rhel-10.2.z] (JIRA:RHEL-183975) [RHEL10-debug]: BUG: KASAN: slab-use-after-free in pvqueuedspinlockslowpath [rhel-10.2.z] (JIRA:RHEL-186311) ice: driver update 2026-06, part 1 [rhel-10.2.z] (JIRA:RHEL-191324) 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.
— Red Hat
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 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-abi-stableliststo a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-debug-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-debug-uki-virtto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-docto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-modules-extra-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-rt-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-rt-debugto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-rt-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-uki-virtto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/libperf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/rtlato a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/rvto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-debuginfo-common-s390xto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-debuginfo-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-devel-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-extra-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debuginfo-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-devel-matched-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-core-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-extra-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-debug-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-debuginfo-common-aarch64to a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-modules-extra-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-core-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-core-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-debuginfo-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-extra-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-core-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-extra-6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-rt-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-tools-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-tools-libsto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-uki-virtto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-uki-virt-addonsto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/libperf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/python3-perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/rtlato a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/rvto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2 - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 6.12.0-211.37.1.el10_2.aa - Upgrade
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kernel (RHEL 10.2.z)to a version that resolves this vulnerability.Fixed in rhel-10.2.zPatch JIRA:RHEL-186311 - Upgrade
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kernel (RHEL 10.2.z)to a version that resolves this vulnerability.Fixed in rhel-10.2.zPatch JIRA:RHEL-191324 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2026-53071 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2025-71147 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2026-31530 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2026-52950 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2026-52976 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2026-46215 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2026-46150 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2026-23168 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2026-53009 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2026-46116 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in CVE-2025-71113 - Upgrade
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tools/lib/perf/Makefile (RHEL 10.2.z)to a version that resolves this vulnerability.Fixed in rhel-10.2.zPatch JIRA:RHEL-183975 - Upgrade
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nfsd_file slab cache objects shutdown during nfsd teardown while running bz1477872 testcase (RHEL 10.2.z)to a version that resolves this vulnerability.Fixed in rhel-10.2.zPatch JIRA:RHEL-173103 - Operational
Reboot the system for the kernel update to take effect.
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:42919?
The severity of RHSA-2026:42919 is rated as high with a score of 7.
What are the security fixes included in RHSA-2026:42919?
RHSA-2026:42919 includes security fixes for a vulnerability in the Linux kernel related to memory management and a potential denial of service.
How do I fix RHSA-2026:42919?
To fix RHSA-2026:42919, you need to update your kernel packages to the latest version provided by Red Hat.
What vulnerabilities does RHSA-2026:42919 address?
RHSA-2026:42919 addresses vulnerabilities including CVE-2025-71113 related to the Linux kernel.
What software is affected by RHSA-2026:42919?
RHSA-2026:42919 affects several packages, including redhat/kernel, redhat/kernel-rt, and redhat/kernel-debug.