Issued:
2026-07-23
Updated:
2026-07-23

RHSA-2026:44385 - Important: kernel security, bug fix, and enhancement update


Synopsis

Important: kernel security, bug fix, and enhancement update

Type/Severity

Security Advisory: Important

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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

Security Fix(es):

  • kernel: VMCI: Fix use-after-free when removing resource in vmci_resource_remove() (CVE-2024-46738)

  • kernel: vt: prevent kernel-infoleak in con_font_get() (CVE-2024-50076)

  • kernel: Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync (CVE-2025-39982)

  • kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation (CVE-2026-31488)

  • kernel: smb: client: fix OOB reads parsing symlink error response (CVE-2026-31613)

  • kernel: net: sched: act_csum: validate nested VLAN headers (CVE-2026-31684)

  • kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)

  • kernel: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CVE-2026-46209)

Bug Fix(es) and Enhancement(s):

  • "Send error in SessSetup" messages fill up the logs [rhel-9.6.z] (JIRA:RHEL-145508)

  • Fix suspend/resume printk bug in C9s [rhel-9.6.z] (JIRA:RHEL-148301)

  • RHEL9.4 - s390/pci: Fix __pcilg_mio_inuser() inline assembly [rhel-9.6.z] (JIRA:RHEL-161490)

  • NVMe-FC: Panic during NVMe Controller Reset tests [rhel-9.6.z] (JIRA:RHEL-171743)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions9.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support9.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle9.6x86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support9.6ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle9.6ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support9.6s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle9.6s390x
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates9.6s390x
Red Hat Enterprise Linux for ARM 64 - Extended Update Support9.6aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle9.6aarch64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates9.6aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions9.6ppc64le
Red Hat Enterprise Linux Server - AUS9.6x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support9.6x86_64
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support9.6ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support9.6s390x
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support9.6aarch64

Updated Packages

  • kernel-tools-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • python3-perf-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-rt-64k-debug-modules-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-modules-extra-5.14.0-570.129.1.el9_6.aarch64.rpm
  • rv-5.14.0-570.129.1.el9_6.aarch64.rpm
  • perf-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-modules-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-devel-matched-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debug-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-debuginfo-common-aarch64-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-64k-debug-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-debug-kvm-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-modules-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-zfcpdump-core-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-modules-5.14.0-570.129.1.el9_6.s390x.rpm
  • libperf-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-devel-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-zfcpdump-modules-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-devel-matched-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-rt-modules-core-5.14.0-570.129.1.el9_6.x86_64.rpm
  • rtla-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-tools-libs-devel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-tools-debuginfo-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-debug-debuginfo-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debuginfo-common-s390x-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-devel-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-rt-devel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-debug-modules-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-modules-extra-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-64k-debug-devel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-core-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-tools-libs-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debug-modules-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • libperf-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • libperf-5.14.0-570.129.1.el9_6.s390x.rpm
  • rv-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-cross-headers-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • python3-perf-debuginfo-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-5.14.0-570.129.1.el9_6.x86_64.rpm
  • rtla-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-64k-devel-matched-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debug-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-rt-debug-core-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-rt-modules-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-64k-modules-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-headers-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debug-modules-extra-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • python3-perf-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-debug-core-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-tools-libs-devel-5.14.0-570.129.1.el9_6.x86_64.rpm
  • rv-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-rt-modules-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debug-debuginfo-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-devel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-64k-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-64k-debug-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-64k-debug-devel-matched-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-devel-matched-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-kvm-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debug-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-cross-headers-5.14.0-570.129.1.el9_6.aarch64.rpm
  • rv-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-modules-extra-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debug-core-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-rt-64k-debug-modules-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debuginfo-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-tools-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debuginfo-common-x86_64-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-rt-debug-debuginfo-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-64k-debug-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-debug-devel-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-modules-extra-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-devel-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-rt-64k-modules-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-64k-debug-modules-extra-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-debug-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-rt-debug-modules-core-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-uki-virt-addons-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debug-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-devel-matched-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • perf-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • python3-perf-5.14.0-570.129.1.el9_6.x86_64.rpm
  • perf-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-64k-modules-extra-5.14.0-570.129.1.el9_6.aarch64.rpm
  • python3-perf-debuginfo-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-rt-64k-devel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-headers-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-rt-64k-debug-modules-extra-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debug-modules-core-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-rt-debug-modules-5.14.0-570.129.1.el9_6.aarch64.rpm
  • perf-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-zfcpdump-devel-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-modules-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-modules-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-64k-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-headers-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • rtla-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-abi-stablelists-5.14.0-570.129.1.el9_6.noarch.rpm
  • kernel-debug-modules-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-tools-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-64k-devel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-cross-headers-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-tools-libs-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-tools-libs-devel-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-rt-debuginfo-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-5.14.0-570.129.1.el9_6.src.rpm
  • kernel-tools-5.14.0-570.129.1.el9_6.aarch64.rpm
  • libperf-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-debug-modules-core-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-64k-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-64k-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-core-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-64k-modules-extra-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-64k-debug-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debug-core-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • libperf-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-devel-matched-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-rt-debug-modules-extra-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debug-modules-extra-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-debug-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debuginfo-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-tools-libs-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debug-uki-virt-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debug-devel-matched-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-devel-matched-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-headers-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-debug-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debuginfo-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-64k-debug-modules-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-modules-extra-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-tools-debuginfo-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-zfcpdump-modules-extra-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-rt-devel-5.14.0-570.129.1.el9_6.x86_64.rpm
  • libperf-debuginfo-5.14.0-570.129.1.el9_6.x86_64.rpm
  • python3-perf-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-zfcpdump-modules-core-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-rt-modules-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debug-modules-extra-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-modules-core-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-modules-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-debuginfo-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-modules-extra-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-debug-devel-matched-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-modules-core-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-rt-debug-modules-extra-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debug-modules-core-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • python3-perf-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debug-devel-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-rt-debug-devel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • libperf-debuginfo-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-debug-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-core-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-cross-headers-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-devel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-64k-modules-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-debug-devel-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-modules-core-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-64k-modules-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-debuginfo-common-ppc64le-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-modules-extra-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-rt-64k-debug-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-64k-debug-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-rt-debuginfo-5.14.0-570.129.1.el9_6.aarch64.rpm
  • libperf-debuginfo-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-zfcpdump-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-core-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-64k-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-64k-debug-devel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-zfcpdump-debuginfo-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-rt-debug-modules-5.14.0-570.129.1.el9_6.x86_64.rpm
  • perf-debuginfo-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-debug-modules-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-rt-64k-core-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-tools-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-rt-debug-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-tools-debuginfo-5.14.0-570.129.1.el9_6.x86_64.rpm
  • perf-debuginfo-5.14.0-570.129.1.el9_6.x86_64.rpm
  • rtla-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-doc-5.14.0-570.129.1.el9_6.noarch.rpm
  • kernel-zfcpdump-devel-matched-5.14.0-570.129.1.el9_6.s390x.rpm
  • perf-debuginfo-5.14.0-570.129.1.el9_6.s390x.rpm
  • kernel-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-modules-5.14.0-570.129.1.el9_6.aarch64.rpm
  • perf-5.14.0-570.129.1.el9_6.s390x.rpm
  • python3-perf-debuginfo-5.14.0-570.129.1.el9_6.x86_64.rpm
  • kernel-64k-debug-modules-5.14.0-570.129.1.el9_6.aarch64.rpm
  • kernel-devel-5.14.0-570.129.1.el9_6.ppc64le.rpm
  • kernel-uki-virt-5.14.0-570.129.1.el9_6.x86_64.rpm

Fixes

CVEs

References


Additional information