SB2025112768 - SUSE update for the Linux Kernel (Live Patch 43 for SUSE Linux Enterprise 15 SP4)



SB2025112768 - SUSE update for the Linux Kernel (Live Patch 43 for SUSE Linux Enterprise 15 SP4)

Published: November 27, 2025

Security Bulletin ID SB2025112768
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) Use-after-free (CVE-ID: CVE-2023-53673)

CWE-ID: CWE-416 - Use After Free

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 a use-after-free error within the hci_cs_disconnect() function in net/bluetooth/hci_event.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.