Vulnerability Details CVE-2023-2612
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.5%
CVSS Severity
CVSS v3 Score 4.4
References
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e
- https://ubuntu.com/security/CVE-2023-2612
- https://ubuntu.com/security/notices/USN-6122-1
- https://ubuntu.com/security/notices/USN-6123-1
- https://ubuntu.com/security/notices/USN-6124-1
- https://ubuntu.com/security/notices/USN-6127-1
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e
- https://ubuntu.com/security/CVE-2023-2612
- https://ubuntu.com/security/notices/USN-6122-1
- https://ubuntu.com/security/notices/USN-6123-1
- https://ubuntu.com/security/notices/USN-6124-1
- https://ubuntu.com/security/notices/USN-6127-1
Products affected by CVE-2023-2612
-
cpe:2.3:o:canonical:ubuntu_linux:20.04
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cpe:2.3:o:canonical:ubuntu_linux:22.04
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cpe:2.3:o:canonical:ubuntu_linux:22.10