RHSA-2026:49211: 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: ksm: use range-walk function to jump over holes in scangetnextrmapitem (CVE-2025-68211) kernel: isofs: validate Rock Ridge CE continuation extent against volume size (CVE-2026-46303) kernel: net: sched: UAF via missing handler for TCACTCONSUMED in tcfqeventhandle () Bug Fix(es) and Enhancement(s): [DELL 10.2 FEAT] [LATE-ADD] - Include support for Ghostrider PTL mini config SKU with Realtek IC Solution [rhel-10.2.z] (JIRA:RHEL-185669) dpll: fix NULL pointer dereference in dpllmsgaddpinrefsync() [rhel-10.2.z] (JIRA:RHEL-212063) 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 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-abi-stableliststo a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debug-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debug-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debug-uki-virtto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-docto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-modules-extra-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-debugto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-debug-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-rt-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-tools-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-tools-libsto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-uki-virtto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-uki-virt-addonsto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/libperf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/python3-perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/rtlato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/rvto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debuginfo-common-s390xto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-zfcpdumpto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-zfcpdump-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-zfcpdump-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-zfcpdump-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-zfcpdump-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-zfcpdump-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-zfcpdump-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-zfcpdump-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-debuginfo-common-ppc64leto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-core-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-core-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-debuginfo-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-devel-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-devel-matched-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-core-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-extra-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debuginfo-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-devel-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-devel-matched-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-core-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-extra-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debug-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debug-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-debuginfo-common-aarch64to a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-devel-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-modules-extra-matchedto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-core-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-core-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-debuginfo-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-devel-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-core-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-extra-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debuginfo-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-devel-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-core-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-extra-6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debugto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debug-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-modulesto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-modules-coreto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-rt-modules-extrato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-tools-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-tools-libsto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-uki-virtto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-uki-virt-addonsto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/libperf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/python3-perf-debuginfoto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/rtlato a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/rvto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2 - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 6.12.0-211.42.1.el10_2.aa - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in rhel-10.2.zPatch JIRA:RHEL-212063 - Upgrade
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kernelto a version that resolves this vulnerability.Fixed in rhel-10.2.zPatch JIRA:RHEL-185669 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-46303 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2025-68211 - Compensating control
Reboot the system after applying this kernel update so the changes take effect.
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:49211?
The severity of RHSA-2026:49211 is classified as high with a CVSS score of 7.
What are the security fixes included in RHSA-2026:49211?
RHSA-2026:49211 addresses vulnerabilities related to ksm and isofs, including CVE-2025-68211.
How do I fix RHSA-2026:49211?
To fix RHSA-2026:49211, update the affected kernel packages to the latest available version in your repositories.
What are the affected packages in RHSA-2026:49211?
The affected packages include redhat/kernel, redhat/kernel-rt, redhat/kernel-core, and several debug versions.
When was RHSA-2026:49211 published?
RHSA-2026:49211 was published on July 31, 2026.