CVEvulnerability
CVE-2023-2612
4.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-05-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-667
Description
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).
Affected configurations
• canonical ubuntu linux 20.04
• canonical ubuntu linux 22.04
• canonical ubuntu linux 22.10
Related
Weakness · CWE (1)
- CWE-667 Improper Locking weakness
References
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html packetstormsecurity.com
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e Mailing List, Patch
- https://ubuntu.com/security/CVE-2023-2612 Vendor Advisory
- https://ubuntu.com/security/notices/USN-6122-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-6123-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-6124-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-6127-1 Vendor Advisory
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html packetstormsecurity.com
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e Mailing List, Patch
- https://ubuntu.com/security/CVE-2023-2612 Vendor Advisory
- https://ubuntu.com/security/notices/USN-6122-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-6123-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-6124-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-6127-1 Vendor Advisory