SB20250226238 - Use-after-free in Linux kernel hw hfi1 driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226238
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-2022-49433)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the sdma_clean() function in drivers/infiniband/hw/hfi1/sdma.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/05c03dfd09c069c4ffd783b47b2da5dcc9421f2c
- https://git.kernel.org/stable/c/288d198f50434f29b4a26a9de4394ae2305ad8af
- https://git.kernel.org/stable/c/30eb275e7ed588270ae159cc590a96658e0cfd8f
- https://git.kernel.org/stable/c/66090815a24ce14cf51ef5453fc0218fe8a39bc2
- https://git.kernel.org/stable/c/addb192000d8819c0b1553453994df9bb54c28db
- https://git.kernel.org/stable/c/ca55150bff5817af4f857a746ecab9862c23e12a
- https://git.kernel.org/stable/c/fc0750e659db7b315bf6348902cc8ca3cdd4b8d8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121