RHEL 8 : kernel (RHSA-2026:1512)

high Nessus Plugin ID 297065

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-2026:1512 advisory.

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

Security Fix(es):

* kernel: e1000e: fix heap overflow in e1000_set_eeprom (CVE-2025-39898)

* kernel: media: rc: fix races with imon_disconnect() (CVE-2025-39993)

* kernel: ipv6: Fix out-of-bounds access in ipv6_find_tlv() (CVE-2023-53705)

* kernel: Linux kernel: vsock vulnerability may lead to memory corruption (CVE-2025-40248)

* kernel: Linux kernel Bluetooth L2CAP: Kernel crash due to use-after-free via race condition (CVE-2023-53751)

* kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CVE-2025-40277)

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-2026:1512.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2400598

https://bugzilla.redhat.com/show_bug.cgi?id=2404121

https://bugzilla.redhat.com/show_bug.cgi?id=2419954

https://bugzilla.redhat.com/show_bug.cgi?id=2405713

https://bugzilla.redhat.com/show_bug.cgi?id=2418872

https://bugzilla.redhat.com/show_bug.cgi?id=2419858

http://www.nessus.org/u?b11285a8

https://access.redhat.com/errata/RHSA-2026:1512

Plugin Details

Severity: High

ID: 297065

File Name: redhat-RHSA-2026-1512.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/28/2026

Updated: 1/28/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

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-2025-40277

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-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: 1/28/2026

Vulnerability Publication Date: 6/28/2023

Reference Information

CVE: CVE-2023-53705, CVE-2023-53751, CVE-2025-39993, CVE-2025-40248, CVE-2025-40277

CWE: 122, 125, 190, 364, 416, 825

RHSA: 2026:1512