#VU104421 Use-after-free in Linux kernel - CVE-2022-49433
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104421
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49433
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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