SB2024053106 - Use-after-free in Linux kernel hw mlx5 driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053106
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-2023-52851)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mlx5_ib_stage_post_ib_reg_umr_init() function in drivers/infiniband/hw/mlx5/main.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/437f033e30c897bb3723eac9e9003cd9f88d00a3
- https://git.kernel.org/stable/c/4f4a7a7d1404297f2a92df0046f7e64dc5c52dd9
- https://git.kernel.org/stable/c/6387f269d84e6e149499408c4d1fc805017729b2
- https://git.kernel.org/stable/c/2ef422f063b74adcc4a4a9004b0a87bb55e0a836
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7