Moderate: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: wifi: mac80211: check S1G action frame size (CVE-2023-53257) * kernel: wifi: mwifiex: Fix OOB and integer underflow when rx packets (CVE-2023-53226) * kernel: wifi: cfg80211: fix use-after-free in cmp_bss() (CVE-2025-39864) 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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: wifi: mac80211: check S1G action frame size (CVE-2023-53257) * kernel: wifi: mwifiex: Fix OOB and integer underflow when rx packets (CVE-2023-53226) * kernel: wifi: cfg80211: fix use-after-free in cmp_bss() (CVE-2025-39864) 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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2025:19447
- https://access.redhat.com/security/cve/CVE-2023-53226
- https://access.redhat.com/security/cve/CVE-2023-53257
- https://access.redhat.com/security/cve/CVE-2025-39864
- https://bugzilla.redhat.com/2395253
- https://bugzilla.redhat.com/2395420
- https://bugzilla.redhat.com/2396934
- https://errata.almalinux.org/8/ALSA-2025-19447.html