SUSE SLES15 Security Update : kernel (Live Patch 2 for SLE 15 SP5) (SUSE-SU-2023:3924-1)

high Nessus Plugin ID 182490

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:3924-1 advisory.

This update for the Linux Kernel 5.14.21-150500_55_12 fixes several issues.

The following security issues were fixed:

- CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119).
- CVE-2023-4273: Fixed a flaw in the exFAT driver of the Linux kernel that alloawed a local privileged attacker to overflow the kernel stack (bsc#1214123).
- CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched (bsc#1213587).

Tenable has extracted the preceding description block directly from the SUSE 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 affected kernel-livepatch-5_14_21-150500_55_12-default package.

See Also

https://bugzilla.suse.com/1213587

https://bugzilla.suse.com/1214123

https://bugzilla.suse.com/1215119

https://www.suse.com/security/cve/CVE-2023-3609

https://www.suse.com/security/cve/CVE-2023-3776

https://www.suse.com/security/cve/CVE-2023-4273

http://www.nessus.org/u?c50e464b

Plugin Details

Severity: High

ID: 182490

File Name: suse_SU-2023-3924-1.nasl

Version: 1.4

Type: Local

Agent: unix

Published: 10/4/2023

Updated: 6/26/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.48

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2023-3776

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150500_55_12-default, cpe:/o:novell:suse_linux:15

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/30/2023

Vulnerability Publication Date: 7/21/2023

Reference Information

CVE: CVE-2023-3609, CVE-2023-3776, CVE-2023-4273

SuSE: SUSE-SU-2023:3924-1