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).
Vulnerability category: Denial of service
Products affected by CVE-2023-2612
- 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:*:*:*:-:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-2612
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-2612
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.0
|
3.6
|
NIST | |
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
Canonical Ltd. |
CWE ids for CVE-2023-2612
-
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.Assigned by:
- nvd@nist.gov (Primary)
- security@ubuntu.com (Secondary)
References for CVE-2023-2612
-
http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
Kernel Live Patch Security Notice LSN-0095-1 ≈ Packet Storm
-
https://ubuntu.com/security/notices/USN-6122-1
USN-6122-1: Linux kernel (OEM) vulnerabilities | Ubuntu security notices | UbuntuVendor Advisory
-
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e
~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic - [no description]Mailing List;Patch
-
https://ubuntu.com/security/notices/USN-6123-1
USN-6123-1: Linux kernel (OEM) vulnerabilities | Ubuntu security notices | UbuntuVendor Advisory
-
https://ubuntu.com/security/notices/USN-6124-1
Vendor Advisory
-
https://ubuntu.com/security/CVE-2023-2612
CVE-2023-2612 | UbuntuVendor Advisory
-
https://ubuntu.com/security/notices/USN-6127-1
Vendor Advisory
Jump to