Detections
Analytics
RHEL 8 : kernel (RHSA-2026:2664)
medium Nessus Plugin ID 298901
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-2026:2664 advisory.The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: cifs: fix oops during encryption (CVE-2022-50341)
* kernel: RDMA/rxe: Fix incomplete state save in rxe_requester (CVE-2023-53539)
* kernel: net/mlx5e: Check for NOT_READY flag state after locking (CVE-2023-53581)
* kernel: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (CVE-2025-40154)
* kernel: Linux kernel: Out-of-bounds write in fbdev can lead to privilege escalation, information disclosure, or denial of service. (CVE-2025-40304)
* kernel: Linux kernel: Information disclosure and denial of service via out-of-bounds read in font glyph handling (CVE-2025-40322)
* kernel: ext4: fix use-after-free in ext4_orphan_cleanup (CVE-2022-50673)
* kernel: drm/i915: Fix NULL ptr deref by checking new_crtc_state (CVE-2023-53833)
* kernel: net: atlantic: fix fragment overflow handling in RX path (CVE-2025-68301)
* kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid (CVE-2025-68349)
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-2026:2664.See Also
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2395879
https://bugzilla.redhat.com/show_bug.cgi?id=2401510
https://bugzilla.redhat.com/show_bug.cgi?id=2401545
https://bugzilla.redhat.com/show_bug.cgi?id=2414494
https://bugzilla.redhat.com/show_bug.cgi?id=2419870
https://bugzilla.redhat.com/show_bug.cgi?id=2419902
https://bugzilla.redhat.com/show_bug.cgi?id=2420347
https://bugzilla.redhat.com/show_bug.cgi?id=2420366
https://bugzilla.redhat.com/show_bug.cgi?id=2422836
https://bugzilla.redhat.com/show_bug.cgi?id=2424880
Plugin Details
Severity: Medium
ID: 298901
File Name: redhat-RHSA-2026-2664.nasl
Version: 1.1
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 2/13/2026
Updated: 2/13/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
Vendor
Vendor Severity: Moderate
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Temporal Score: 3.4
Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2023-53539
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 4.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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: 2/12/2026
Vulnerability Publication Date: 9/4/2021
Reference Information
CVE: CVE-2022-50341, CVE-2022-50673, CVE-2023-53539, CVE-2023-53581, CVE-2023-53833, CVE-2025-40154, CVE-2025-40304, CVE-2025-40322, CVE-2025-68301, CVE-2025-68349