SB20240531244 - Out-of-bounds read in Linux kernel smb server
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531244
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-2024-26980)
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 __handle_ksmbd_work() function in fs/smb/server/server.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/b80ba648714e6d790d69610cf14656be222d0248
- https://git.kernel.org/stable/c/3160d9734453a40db248487f8204830879c207f1
- https://git.kernel.org/stable/c/0977f89722eceba165700ea384f075143f012085
- https://git.kernel.org/stable/c/c119f4ede3fa90a9463f50831761c28f989bfb20
- https://git.kernel.org/stable/c/da21401372607c49972ea87a6edaafb36a17c325
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.159