CVE-2023-2612

Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 30 May 2023, 23:12
Last modified:13 Feb 2025, 16:44

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
v3.1 (nvd)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 May 2023, 23:12
Published
Vulnerability first disclosed
13 Feb 2025, 16:44
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.02%• Percentile: 7%

Techniques & Countermeasures

  • CWE-667•Improper Locking

    The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

Affected Systems

  • canonical ltd.•ubuntu-linux

    < 02b47547824b1cd0d55c6744f91886f04de8947e

  • canonical•ubuntu_linux

    20.04 | 22.04 | 22.10

References (7)