Medium severity4.4NVD Advisory· Published May 31, 2023· Updated Jun 17, 2026
CVE-2023-2612
CVE-2023-2612
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).
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- Canonical Ltd./ubuntu-linuxv5Range: 0
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:22.10:*:*:*:-:*:*:*
Patches
Vulnerability mechanics
References
7- git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/nvdMailing ListPatch
- ubuntu.com/security/CVE-2023-2612nvdVendor Advisory
- ubuntu.com/security/notices/USN-6122-1nvdVendor Advisory
- ubuntu.com/security/notices/USN-6123-1nvdVendor Advisory
- ubuntu.com/security/notices/USN-6124-1nvdVendor Advisory
- ubuntu.com/security/notices/USN-6127-1nvdVendor Advisory
- packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.htmlnvd
News mentions
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