SB2024112223 - Use-after-free in Linux kernel smb client
Published: November 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024112223
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-53095)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the clean_demultiplex_info(), cifs_put_tcp_session() and generic_ip_connect() functions in fs/smb/client/connect.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/c7f9282fc27fc36dbaffc8527c723de264a132f8
- https://git.kernel.org/stable/c/e8c71494181153a134c96da28766a57bd1eac8cb
- https://git.kernel.org/stable/c/ef7134c7fc48e1441b398e55a862232868a6f0a7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.62