Race condition in Linux kernel - CVE-2022-3028
Published: September 20, 2022
Vulnerability identifier: #VU67477
CSH Severity: Low
CVSS v4.0: 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-2022-3028
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrm_probe_algs occurred simultaneously. A local user can exploit the race and escalate privileges on the system.
How to mitigate CVE-2022-3028
Install updates from vendor's website.
Sources
- https://github.com/torvalds/linux/commit/ba953a9d89a00c078b85f4b190bc1dde66fe16b5
- https://lore.kernel.org/all/YtoWqEkKzvimzWS5@gondor.apana.org.au/T/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F3MYP7WX4PNE6RCITVXA43CECBZT4CL6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JKVA75UHKVOHNOEPCLUHTFGWCOOUBDM3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PEQYVCNYUWB4CJ2YRAYNF2GGFQ7SUYC4/