CVE-2023-2612
shiftfs lock unbalance in Ubuntu-specific kernels
- State
- Published
- Severity
- 4.4 Medium
- Published
- May 30, 2023
- Updated
- Feb 13, 2025
- Reserved
- May 10, 2023
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).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.4 Medium | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H | canonical |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
ubuntu-linuxCanonical Ltd. |
|
References
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947epatch
- 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-LSN-0095-1.html
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