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).
Published 2023-05-31 00:15:10
Updated 2023-06-22 15:15:13
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2023-2612

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

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