SB2025030536 - Ubuntu update for linux



SB2025030536 - Ubuntu update for linux

Published: March 5, 2025

Security Bulletin ID SB2025030536
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2024-56672)

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 blkcg_unpin_online() function in block/blk-cgroup.c. A local user can escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2024-56658)

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 LLIST_HEAD(), net_free() and cleanup_net() functions in net/core/net_namespace.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.