SB20240531245 - Out-of-bounds read in Linux kernel smb server
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531245
CSH 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 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2024-26954)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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 smb2_get_data_area_len() function in fs/smb/server/smb2misc.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/3b8da67191e938a63d2736dabb4ac5d337e5de57
- https://git.kernel.org/stable/c/4f97e6a9d62cb1fce82fbf4baff44b83221bc178
- https://git.kernel.org/stable/c/a80a486d72e20bd12c335bcd38b6e6f19356b0aa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.119
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.3