Issued:
2025-12-04
Updated:
2025-12-04

RHSA-2025:22752 - Moderate: kernel security update

Synopsis

Moderate: kernel security update

Type/Severity

Security Advisory Moderate

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

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: ALSA USB Audio Out-of-Bounds Bug (CVE-2022-48701)

  • kernel: nfsd: don't ignore the return code of svc_proc_register() (CVE-2025-22026)

  • kernel: udp: Fix memory accounting leak. (CVE-2025-22058)

  • kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling (CVE-2025-37797)

  • kernel: net: usb: smsc75xx: Limit packet length to skb->len (CVE-2023-53125)

  • kernel: net_sched: ets: Fix double list add in class with netem as child qdisc (CVE-2025-37914)

  • kernel: ASoC: SOF: Intel: hda: Fix potential buffer overflow by snprintf() (CVE-2022-50050)

  • kernel: mptcp: do not queue data on closed subflows (CVE-2022-50070)

  • kernel: ALSA: bcd2000: Fix a UAF bug on the error path of probing (CVE-2022-50229)

  • kernel: KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 (CVE-2022-50228)

  • kernel: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails (CVE-2022-50087)

  • kernel: bpf: Don't use tnum_range on array range checking for poke descriptors (CVE-2022-49985)

  • kernel: drm/amd/display: clear optc underflow before turn off odm clock (CVE-2022-49969)

  • kernel: md-raid10: fix KASAN warning (CVE-2022-50211)

  • kernel: i40e: fix MMIO write access to an invalid page in i40e_clear_hw (CVE-2025-38200)

  • kernel: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction (CVE-2025-38211)

  • kernel: scsi: lpfc: Use memcpy() for BIOS version (CVE-2025-38332)

  • kernel: vsock: Fix transport_* TOCTOU (CVE-2025-38461)

  • kernel: drm/gem: Acquire references on GEM handles for framebuffers (CVE-2025-38449)

  • kernel: net/sched: sch_qfq: Fix race condition on qfq_aggregate (CVE-2025-38477)

  • kernel: do_change_type(): refuse to operate on unmounted/not ours mounts (CVE-2025-38498)

  • kernel: smb: client: fix use-after-free in cifs_oplock_break (CVE-2025-38527)

  • kernel: HID: core: Harden s32ton() against conversion to 0 bits (CVE-2025-38556)

  • kernel: tls: separate no-async decryption request handling from async (CVE-2024-58240)

  • kernel: NFS: Fix a race when updating an existing write (CVE-2025-39697)

  • kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() (CVE-2025-39730)

  • kernel: ALSA: hda/ca0132: Fix buffer overflow in add_tuning_control (CVE-2025-39751)

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

  • kernel: Bluetooth: L2CAP: Fix use-after-free (CVE-2023-53305)

  • 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: skbuff: skb_segment, Call zero copy functions before using skbuff frags (CVE-2023-53354)

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

  • kernel: Bluetooth: Fix potential use-after-free when clear keys (CVE-2023-53386)

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

  • kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values (CVE-2022-50403)

  • kernel: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit() (CVE-2022-50408)

  • kernel: NFSD: Protect against send buffer overflow in NFSv2 READ (CVE-2022-50410)

  • 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.

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

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension8.4x86_64
Red Hat Enterprise Linux Server - AUS8.4x86_64

Updated Packages

  • bpftool-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-4.18.0-305.179.1.el8_4.x86_64.rpm
  • bpftool-debuginfo-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-debug-modules-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-modules-extra-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-abi-stablelists-4.18.0-305.179.1.el8_4.noarch.rpm
  • kernel-headers-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-tools-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-debug-core-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-debug-modules-extra-4.18.0-305.179.1.el8_4.x86_64.rpm
  • perf-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-cross-headers-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-tools-debuginfo-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-debuginfo-common-x86_64-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-modules-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-debug-devel-4.18.0-305.179.1.el8_4.x86_64.rpm
  • perf-debuginfo-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-debuginfo-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-4.18.0-305.179.1.el8_4.src.rpm
  • python3-perf-debuginfo-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-debug-debuginfo-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-debug-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-core-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-tools-libs-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-devel-4.18.0-305.179.1.el8_4.x86_64.rpm
  • kernel-doc-4.18.0-305.179.1.el8_4.noarch.rpm
  • python3-perf-4.18.0-305.179.1.el8_4.x86_64.rpm

Fixes

CVEs

References

Additional information