Vulnerability 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).
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 20.04 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LS
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commiMailing ListPatch
- https://ubuntu.com/security/CVE-2023-2612Vendor Advisory
- https://ubuntu.com/security/notices/USN-6122-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6123-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6124-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6127-1Vendor Advisory
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LS
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commiMailing ListPatch
- https://ubuntu.com/security/CVE-2023-2612Vendor Advisory
- https://ubuntu.com/security/notices/USN-6122-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6123-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6124-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6127-1Vendor Advisory
FAQ
What is CVE-2023-2612?
CVE-2023-2612 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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 ca...
How severe is CVE-2023-2612?
CVE-2023-2612 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-2612?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux.