RLSA-2026:47017

Synopsis

Important: kernel security, bug fix, and enhancement update

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086)

* kernel: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006)

* kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993)

* kernel: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption (CVE-2026-53281)

Bug Fix(es) and Enhancement(s):

* rxrpc: Address CVE-2026-43500 [rhel-10.2.z] (JIRA:Rocky Linux-178254)

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 products

Rocky Linux 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 riscv64 Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2481989 2493728 2492363 2492437

CVEs

CVE-2026-46086 CVE-2026-52993 CVE-2026-53006 CVE-2026-53281

Affected packages

Rocky Linux 10 aarch64 - BaseOS

kernel-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-modules-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-modules-extra-matched-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debug-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-0:6.12.0-211.40.1.el10_2.src.rpm kernel-tools-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-tools-libs-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-modules-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-modules-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debug-modules-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debug-modules-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-debug-modules-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-debug-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-debug-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debug-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-debug-modules-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-uki-virt-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debug-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-abi-stablelists-0:6.12.0-211.40.1.el10_2.noarch.rpm kernel-64k-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-modules-extra-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-tools-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debuginfo-common-aarch64-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debug-modules-extra-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-uki-virt-addons-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-modules-extra-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-debug-modules-extra-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-modules-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-debug-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm

Rocky Linux 10 ppc64le - BaseOS

kernel-debug-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-debuginfo-common-ppc64le-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-debug-modules-core-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-0:6.12.0-211.40.1.el10_2.src.rpm kernel-debug-modules-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-debug-debuginfo-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-tools-debuginfo-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-debug-core-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-debuginfo-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-modules-extra-matched-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-modules-core-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-abi-stablelists-0:6.12.0-211.40.1.el10_2.noarch.rpm kernel-tools-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-modules-extra-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-modules-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-tools-libs-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-debug-modules-extra-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-core-0:6.12.0-211.40.1.el10_2.ppc64le.rpm

Rocky Linux 10 aarch64 - AppStream

python3-perf-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-devel-matched-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-doc-0:6.12.0-211.40.1.el10_2.noarch.rpm perf-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-debug-devel-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debug-devel-matched-0:6.12.0-211.40.1.el10_2.aarch64.rpm perf-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm rtla-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-devel-0:6.12.0-211.40.1.el10_2.aarch64.rpm python3-perf-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-64k-debug-devel-matched-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-devel-matched-0:6.12.0-211.40.1.el10_2.aarch64.rpm rv-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-debug-devel-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-devel-0:6.12.0-211.40.1.el10_2.aarch64.rpm

Rocky Linux 10 x86_64 - BaseOS

kernel-debuginfo-common-x86_64-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-tools-libs-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-uki-virt-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-0:6.12.0-211.40.1.el10_2.src.rpm kernel-debug-modules-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-modules-extra-matched-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-tools-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-tools-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-modules-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-modules-extra-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-uki-virt-addons-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-debug-modules-extra-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-debug-modules-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-modules-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-debug-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-abi-stablelists-0:6.12.0-211.40.1.el10_2.noarch.rpm kernel-debug-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-debug-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-debug-uki-virt-0:6.12.0-211.40.1.el10_2.x86_64.rpm

Rocky Linux 10 ppc64le - AppStream

rtla-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-doc-0:6.12.0-211.40.1.el10_2.noarch.rpm kernel-debug-devel-matched-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-devel-matched-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-debug-devel-0:6.12.0-211.40.1.el10_2.ppc64le.rpm rv-0:6.12.0-211.40.1.el10_2.ppc64le.rpm python3-perf-debuginfo-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-devel-0:6.12.0-211.40.1.el10_2.ppc64le.rpm perf-0:6.12.0-211.40.1.el10_2.ppc64le.rpm python3-perf-0:6.12.0-211.40.1.el10_2.ppc64le.rpm perf-debuginfo-0:6.12.0-211.40.1.el10_2.ppc64le.rpm

Rocky Linux 10 aarch64 - CRB

libperf-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-tools-libs-devel-0:6.12.0-211.40.1.el10_2.aarch64.rpm libperf-0:6.12.0-211.40.1.el10_2.aarch64.rpm

Rocky Linux 10 aarch64 - RT

kernel-rt-debug-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-debug-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-debug-modules-extra-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-debug-modules-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-modules-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-modules-extra-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-debug-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-debug-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-debug-devel-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-devel-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-debug-devel-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-debug-modules-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-modules-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-modules-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-debug-modules-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-modules-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-debug-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-modules-extra-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-debug-modules-extra-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-debug-modules-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-debuginfo-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-debug-core-0:6.12.0-211.40.1.el10_2.aarch64.rpm kernel-rt-64k-devel-0:6.12.0-211.40.1.el10_2.aarch64.rpm

Rocky Linux 10 x86_64 - CRB

kernel-tools-libs-devel-0:6.12.0-211.40.1.el10_2.x86_64.rpm libperf-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm libperf-0:6.12.0-211.40.1.el10_2.x86_64.rpm

Rocky Linux 10 x86_64 - NFV

kernel-rt-modules-extra-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-modules-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-modules-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-modules-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-modules-extra-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-devel-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-devel-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-modules-0:6.12.0-211.40.1.el10_2.x86_64.rpm

Rocky Linux 10 x86_64 - RT

kernel-rt-modules-extra-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-modules-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-modules-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-modules-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-modules-extra-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-devel-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-core-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-devel-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-rt-debug-modules-0:6.12.0-211.40.1.el10_2.x86_64.rpm

Rocky Linux 10 s390x - BaseOS

kernel-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-zfcpdump-debuginfo-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-modules-core-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-0:6.12.0-211.40.1.el10_2.src.rpm kernel-zfcpdump-core-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debuginfo-common-s390x-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-tools-debuginfo-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debug-debuginfo-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debuginfo-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-core-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-modules-extra-matched-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debug-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debug-modules-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-zfcpdump-modules-core-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-zfcpdump-modules-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-abi-stablelists-0:6.12.0-211.40.1.el10_2.noarch.rpm kernel-zfcpdump-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debug-core-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-modules-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debug-modules-core-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debug-modules-extra-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-zfcpdump-modules-extra-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-tools-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-modules-extra-0:6.12.0-211.40.1.el10_2.s390x.rpm

Rocky Linux 10 s390x - AppStream

kernel-devel-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-doc-0:6.12.0-211.40.1.el10_2.noarch.rpm kernel-zfcpdump-devel-matched-0:6.12.0-211.40.1.el10_2.s390x.rpm perf-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-zfcpdump-devel-0:6.12.0-211.40.1.el10_2.s390x.rpm python3-perf-debuginfo-0:6.12.0-211.40.1.el10_2.s390x.rpm perf-debuginfo-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-devel-matched-0:6.12.0-211.40.1.el10_2.s390x.rpm python3-perf-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debug-devel-matched-0:6.12.0-211.40.1.el10_2.s390x.rpm rv-0:6.12.0-211.40.1.el10_2.s390x.rpm kernel-debug-devel-0:6.12.0-211.40.1.el10_2.s390x.rpm rtla-0:6.12.0-211.40.1.el10_2.s390x.rpm

Rocky Linux 10 riscv64 - AppStream

kernel-doc-0:6.12.0-211.40.1.el10_2.noarch.rpm

Rocky Linux 10 x86_64 - AppStream

kernel-doc-0:6.12.0-211.40.1.el10_2.noarch.rpm python3-perf-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-debug-devel-matched-0:6.12.0-211.40.1.el10_2.x86_64.rpm perf-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-debug-devel-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-devel-matched-0:6.12.0-211.40.1.el10_2.x86_64.rpm rtla-0:6.12.0-211.40.1.el10_2.x86_64.rpm kernel-devel-0:6.12.0-211.40.1.el10_2.x86_64.rpm rv-0:6.12.0-211.40.1.el10_2.x86_64.rpm python3-perf-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm perf-debuginfo-0:6.12.0-211.40.1.el10_2.x86_64.rpm

Rocky Linux 10 ppc64le - CRB

libperf-0:6.12.0-211.40.1.el10_2.ppc64le.rpm libperf-debuginfo-0:6.12.0-211.40.1.el10_2.ppc64le.rpm kernel-tools-libs-devel-0:6.12.0-211.40.1.el10_2.ppc64le.rpm

Rocky Linux 10 riscv64 - BaseOS

kernel-0:6.12.0-211.40.1.el10_2.src.rpm kernel-abi-stablelists-0:6.12.0-211.40.1.el10_2.noarch.rpm

Rocky Linux 10 s390x - CRB

libperf-0:6.12.0-211.40.1.el10_2.s390x.rpm libperf-debuginfo-0:6.12.0-211.40.1.el10_2.s390x.rpm