SB2024060555 - Buffer overflow in Linux kernel md driver
Published: June 5, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060555
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) Buffer overflow (CVE-ID: CVE-2024-26718)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the verity_work() and verity_end_io() functions in drivers/md/dm-verity-target.c, within the crypt_io_init(), crypt_inc_pending(), crypt_dec_pending(), kcryptd_crypt() and kcryptd_queue_crypt() functions in drivers/md/dm-crypt.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/30884a44e0cedc3dfda8c22432f3ba4078ec2d94
- https://git.kernel.org/stable/c/5735a2671ffb70ea29ca83969fe01316ee2ed6fc
- https://git.kernel.org/stable/c/0c45a20cbe68bc4d681734f5c03891124a274257
- https://git.kernel.org/stable/c/0a9bab391e336489169b95cb0d4553d921302189
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8