SB2023121374 - SUSE update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP5)



SB2023121374 - SUSE update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP5)

Published: December 13, 2023

Security Bulletin ID SB2023121374
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Resource management error (CVE-ID: CVE-2023-3777)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper handling of table rules flush in certain circumstances within the netfilter subsystem in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack or execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.