RHSA-2025:21083 - Security Advisory

Topic

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.

Description

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.

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

• Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8 x86_64
• Red Hat Enterprise Linux Server - TUS 8.8 x86_64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64

Fixes

• BZ - 2395253 - CVE-2023-53257 kernel: wifi: mac80211: check S1G action frame size
• BZ - 2395267 - CVE-2023-53213 kernel: wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()
• BZ - 2395297 - CVE-2023-53185 kernel: wifi: ath9k: don't allow to overwrite ENDPOINT0 attributes
• BZ - 2395322 - CVE-2023-53232 kernel: mt76: mt7921: fix kernel panic by accessing unallocated eeprom.data
• BZ - 2395358 - CVE-2023-53178 kernel: mm: fix zswap writeback race condition
• BZ - 2396114 - CVE-2022-50367 kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy
• BZ - 2396152 - CVE-2022-50356 kernel: net: sched: sfb: fix null pointer access issue when sfb_init() fails
• BZ - 2396379 - CVE-2023-53373 kernel: crypto: seqiv - Handle EBUSY correctly
• BZ - 2396431 - CVE-2022-50386 kernel: Bluetooth: L2CAP: Fix user-after-free
• BZ - 2396934 - CVE-2025-39864 kernel: wifi: cfg80211: fix use-after-free in cmp_bss()
• BZ - 2396944 - CVE-2025-39841 kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

CVEs

• CVE-2022-50356
• CVE-2022-50367
• CVE-2022-50386
• CVE-2023-53178
• CVE-2023-53185
• CVE-2023-53213
• CVE-2023-53232
• CVE-2023-53257
• CVE-2023-53373
• CVE-2025-39841
• CVE-2025-39864

References

• https://access.redhat.com/security/updates/classification/#moderate