Race condition in linux-image-oem (Ubuntu package) - CVE-2023-2612
Published: May 30, 2023
Vulnerability identifier: #VU76655
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-2612
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Canonical Ltd.
Affected software:
linux-image-oem (Ubuntu package)
linux-image-oem (Ubuntu package)
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition within the shiftfs filesystem when handling inode locking in some
situations. A local user can exploit the race and cause a denial of service (kernel deadlock).
How to mitigate CVE-2023-2612
Install updates from vendor's website.