RHEL 8 : kernel (RHSA-2025:21667)

high Nessus Plugin ID 275713

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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-2025:21667 advisory.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

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

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

* kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (CVE-2025-38085)

* kernel: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds (CVE-2025-38159)

* 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: 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 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)

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-2025:21667.

Plugin Details

Severity: High

ID: 275713

File Name: redhat-RHSA-2025-21667.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/18/2025

Updated: 11/18/2025

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2025-37797

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/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-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, cpe:/o:redhat:rhel_aus:8.2

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: 11/18/2025

Vulnerability Publication Date: 10/11/2022

Reference Information

CVE: CVE-2022-49969, CVE-2022-50087, CVE-2022-50228, CVE-2022-50229, CVE-2023-53125, CVE-2024-58240, CVE-2025-22026, CVE-2025-37797, CVE-2025-38085, CVE-2025-38159, CVE-2025-38200, CVE-2025-38211, CVE-2025-38332, CVE-2025-38449, CVE-2025-38477, CVE-2025-38498, CVE-2025-38527, CVE-2025-38556, CVE-2025-39730

CWE: 119, 120, 125, 170, 191, 200, 252, 416, 825

RHSA: 2025:21667

Detections

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