RHSA-2025:22072 - 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: ALSA: usb-audio: Validate UAC3 power domain descriptors, too (CVE-2025-38729)
• kernel: sctp: linearize cloned gso packets in sctp_rcv (CVE-2025-38718)
• kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors (CVE-2025-39757)
• kernel: x86/vmscape: Add conditional IBPB mitigation (CVE-2025-40300)
• kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp (CVE-2023-53297)
• kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)
• kernel: cifs: fix oops during encryption (CVE-2022-50341)
• kernel: scsi: qla2xxx: Wait for io return on terminate rport (CVE-2023-53322)
• kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report() (CVE-2023-53365)
• kernel: skbuff: skb_segment, Call zero copy functions before using skbuff frags (CVE-2023-53354)
• kernel: Bluetooth: Fix potential use-after-free when clear keys (CVE-2023-53386)
• kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values (CVE-2022-50403)
• kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory (CVE-2025-39883)

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 - 2393164 - CVE-2025-38729 kernel: ALSA: usb-audio: Validate UAC3 power domain descriptors, too
• BZ - 2393166 - CVE-2025-38718 kernel: sctp: linearize cloned gso packets in sctp_rcv
• BZ - 2394615 - CVE-2025-39757 kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors
• BZ - 2394627 - CVE-2025-40300 kernel: x86/vmscape: Add conditional IBPB mitigation
• BZ - 2395681 - CVE-2023-53297 kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp
• BZ - 2395805 - CVE-2025-39817 kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare
• BZ - 2395879 - CVE-2022-50341 kernel: cifs: fix oops during encryption
• BZ - 2395891 - CVE-2023-53322 kernel: scsi: qla2xxx: Wait for io return on terminate rport
• BZ - 2396130 - CVE-2023-53365 kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report()
• BZ - 2396158 - CVE-2023-53354 kernel: skbuff: skb_segment, Call zero copy functions before using skbuff frags
• BZ - 2396419 - CVE-2023-53386 kernel: Bluetooth: Fix potential use-after-free when clear keys
• BZ - 2396494 - CVE-2022-50403 kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values
• BZ - 2397553 - CVE-2025-39883 kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory

CVEs

• CVE-2022-50341
• CVE-2022-50403
• CVE-2023-53297
• CVE-2023-53322
• CVE-2023-53354
• CVE-2023-53365
• CVE-2023-53386
• CVE-2025-38718
• CVE-2025-38729
• CVE-2025-39757
• CVE-2025-39817
• CVE-2025-39883
• CVE-2025-40300

References

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