RHSA-2025:19962 — Red Hat Security Advisory: kernel security update

Fixed packages 91

Release	Package	Fixed in
Red Hat · RHEL 10 enterprise_linux:10.0	kernel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-debug	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-debug-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-debug-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-debug-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-debug-devel-matched	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-debug-modules	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-debug-modules-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-debug-modules-extra	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-devel-matched	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-modules	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-modules-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-64k-modules-extra	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-abi-stablelists	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debug	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debug-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debug-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debug-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debug-devel-matched	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debug-modules	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debug-modules-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debug-modules-extra	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debug-uki-virt	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debuginfo-common-aarch64	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debuginfo-common-ppc64le	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debuginfo-common-s390x	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-debuginfo-common-x86_64	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-devel-matched	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-doc	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-modules	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-modules-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-modules-extra	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-debug	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-debug-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-debug-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-debug-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-debug-modules	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-debug-modules-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-debug-modules-extra	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-modules	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-modules-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-64k-modules-extra	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-debug	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-debug-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-debug-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-debug-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-debug-kvm	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-debug-modules	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-debug-modules-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-debug-modules-extra	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-kvm	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-modules	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-modules-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-rt-modules-extra	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-tools	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-tools-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-tools-libs	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-tools-libs-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-uki-virt	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-uki-virt-addons	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-zfcpdump	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-zfcpdump-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-zfcpdump-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-zfcpdump-devel	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-zfcpdump-devel-matched	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-zfcpdump-modules	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-zfcpdump-modules-core	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	kernel-zfcpdump-modules-extra	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	libperf	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	libperf-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	perf	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	perf-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	python3-perf	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	python3-perf-debuginfo	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	rtla	0:6.12.0-55.43.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0	rv	0:6.12.0-55.43.1.el10_0

Vulnerabilities 2

High 8.8

CVE-2025-39864

wifi: cfg80211: fix use-after-free in cmp_bss()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmp_bss() Following bss_free() quirk introduced in commit 776b3580178f ("cfg80211: track hidden SSID networks properly"), adjust cfg80211_update_known_bs…

Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

Sep 19, 2025
Medium 5.6

CVE-2024-28956

Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution for some Intel(R) …

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Alpine

May 13, 2025

References

article
https://access.redhat.com/security/updates/classification/#moderate
report
https://bugzilla.redhat.com/show_bug.cgi?id=2366125
report
https://bugzilla.redhat.com/show_bug.cgi?id=2396934
advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_19962.json
report
https://access.redhat.com/security/cve/CVE-2024-28956
advisory
https://www.cve.org/CVERecord?id=CVE-2024-28956
advisory
https://nvd.nist.gov/vuln/detail/CVE-2024-28956
article
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01153.html
article
https://www.vusec.net/projects/training-solo/
report
https://access.redhat.com/security/cve/CVE-2025-39864
advisory
https://www.cve.org/CVERecord?id=CVE-2025-39864
advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-39864
article
https://lore.kernel.org/linux-cve-announce/2025091906-CVE-2025-39864-a3a2@gregkh/T

Red Hat Security Advisory: kernel security update

Fixed packages 91

Vulnerabilities 2

wifi: cfg80211: fix use-after-free in cmp_bss()

Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution for some Intel(R) …

References