SB20240531203 - Out-of-bounds read in Linux kernel ksmbd
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531203
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2023-52755)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the fs/ksmbd/smbacl.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/aaf0a07d60887d6c36fc46a24de0083744f07819
- https://git.kernel.org/stable/c/8387c94d73ec66eb597c7a23a8d9eadf64bfbafa
- https://git.kernel.org/stable/c/09d9d8b40a3338193619c14ed4dc040f4f119e70
- https://git.kernel.org/stable/c/712e01f32e577e7e48ab0adb5fe550646a3d93cb
- https://git.kernel.org/stable/c/eebff19acaa35820cb09ce2ccb3d21bee2156ffb
- https://www.zerodayinitiative.com/advisories/ZDI-24-996/
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.140
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7