SB2024112201 - Ubuntu update for linux-lowlatency



SB2024112201 - Ubuntu update for linux-lowlatency

Published: November 22, 2024

Security Bulletin ID SB2024112201
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-2024-46800)

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 qdisc_enqueue() function in net/sched/sch_netem.c. A local user can escalate privileges on the system.


2) Improper locking (CVE-ID: CVE-2024-43882)

CWE-ID: CWE-667 - Improper Locking

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


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the bprm_fill_uid() function in fs/exec.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.