SB2024041574 - Fedora 40 update for kernel



SB2024041574 - Fedora 40 update for kernel

Published: April 15, 2024

Security Bulletin ID SB2024041574
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) Buffer overflow (CVE-ID: CVE-2024-26811)

CWE-ID: CWE-119 - Memory corruption

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 boundary error when installing malicious ksmbd-tools. A local user can force the ksmbd.mountd to return invalid ipc response to ksmbd kernel server,  trigger memory corruption and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.