SB20240621119 - Use-after-free in Linux kernel dma idxd driver
Published: June 21, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240621119
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) Use-after-free (CVE-ID: CVE-2024-38629)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the idxd_wq_del_cdev() function in drivers/dma/idxd/cdev.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9eb15f24a0b9b017b39cde8b8c07243676b63687
- https://git.kernel.org/stable/c/15edb906211bf53e7b5574f7326ab734d6bff4f9
- https://git.kernel.org/stable/c/76e43fa6a456787bad31b8d0daeabda27351a480
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.33