SB2024053166 - Use-after-free in Linux kernel smb client
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053166
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-2024-35865)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the smb2_is_valid_oplock_break() function in fs/smb/client/smb2misc.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/84488466b7a69570bdbf76dd9576847ab97d54e7
- https://git.kernel.org/stable/c/21fed37d2bdcde33453faf61d3d4d96c355f04bd
- https://git.kernel.org/stable/c/3dba0e5276f131e36d6d8043191d856f49238628
- https://git.kernel.org/stable/c/22863485a4626ec6ecf297f4cc0aef709bc862e4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.5