SB20240531241 - Out-of-bounds read in Linux kernel smb server
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531241
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) Out-of-bounds read (CVE-ID: CVE-2024-26952)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to an out-of-bounds read error within the smb2_tree_connect(), smb2_open(), smb2_query_dir(), smb2_get_ea(), smb2_set_info_file(), smb2_set_info(), fsctl_pipe_transceive() and smb2_ioctl() functions in fs/smb/server/smb2pdu.c, within the smb2_get_data_area_len() function in fs/smb/server/smb2misc.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2dcda336b6e80b72d58d30d40f2fad9724e5fe63
- https://git.kernel.org/stable/c/0c5541b4c980626fa3cab16ba1a451757778bbb5
- https://git.kernel.org/stable/c/c6cd2e8d2d9aa7ee35b1fa6a668e32a22a9753da
- https://git.kernel.org/stable/c/39bdc4197acf2ed13269167ccf093ee28cfa2a4e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.32