RHEL 8 : kernel (RHSA-2025:23445)

high Nessus Plugin ID 278950

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Synopsis

The remote Red Hat host is missing one or more security updates for kernel.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23445 advisory.

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: ethtool: check device is present when getting link settings (CVE-2024-46679)

* 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: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() (CVE-2025-38724)

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

* kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors (CVE-2025-39757)

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

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

* kernel: wifi: mwifiex: Fix OOB and integer underflow when rx packets (CVE-2023-53226)

* kernel: Bluetooth: L2CAP: fix bad unlock balance in l2cap_disconnect_rsp (CVE-2023-53297)

* kernel: smb: client: fix race with concurrent opens in rename(2) (CVE-2025-39825)

* kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)

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

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

* kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report() (CVE-2023-53365)

* 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: RDMA/mlx5: Fix mlx5_ib_get_hw_stats when used for device (CVE-2023-53393)

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

* 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: iomap: iomap: fix memory corruption when recording errors during writeback (CVE-2022-50406)

* 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)

* kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory (CVE-2025-39883)

* kernel: NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL (CVE-2023-53680)

* kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect() (CVE-2025-39955)

* kernel: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request() (CVE-2025-40186)

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL kernel package based on the guidance in RHSA-2025:23445.

Plugin Details

Severity: High

ID: 278950

File Name: redhat-RHSA-2025-23445.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 12/17/2025

Updated: 12/17/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.7

Temporal Score: 5.7

Vector: CVSS2#AV:A/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2022-50386

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7

Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, cpe:/o:redhat:rhel_aus:8.2, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:perf

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 12/17/2025

Vulnerability Publication Date: 9/4/2021

Reference Information

CVE: CVE-2022-48701, CVE-2022-50356, CVE-2022-50367, CVE-2022-50386, CVE-2022-50406, CVE-2022-50408, CVE-2022-50410, CVE-2023-53178, CVE-2023-53213, CVE-2023-53226, CVE-2023-53297, CVE-2023-53305, CVE-2023-53354, CVE-2023-53365, CVE-2023-53373, CVE-2023-53393, CVE-2023-53680, CVE-2024-46679, CVE-2025-38718, CVE-2025-38724, CVE-2025-38729, CVE-2025-39697, CVE-2025-39757, CVE-2025-39817, CVE-2025-39825, CVE-2025-39841, CVE-2025-39864, CVE-2025-39883, CVE-2025-39955, CVE-2025-40186

CWE: 124, 125, 190, 20, 213, 362, 366, 367, 416, 476, 664, 787, 826, 832, 99

RHSA: 2025:23445

Detections

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