RHSA-2025:21083 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

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: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies() (CVE-2023-53213)

• kernel: wifi: ath9k: don't allow to overwrite ENDPOINT0 attributes (CVE-2023-53185)

• kernel: mt76: mt7921: fix kernel panic by accessing unallocated eeprom.data (CVE-2023-53232)

• kernel: mm: fix zswap writeback race condition (CVE-2023-53178)

• kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy (CVE-2022-50367)

• kernel: net: sched: sfb: fix null pointer access issue when sfb_init() fails (CVE-2022-50356)

• kernel: crypto: seqiv - Handle EBUSY correctly (CVE-2023-53373)

• kernel: Bluetooth: L2CAP: Fix user-after-free (CVE-2022-50386)

• kernel: wifi: cfg80211: fix use-after-free in cmp_bss() (CVE-2025-39864)

• kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path (CVE-2025-39841)

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.