DEBIAN-CVE-2021-45868

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-45868
Published: 18 Mar 2022, 07:15
Last modified:28 Apr 2026, 20:23

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Mar 2022, 07:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:23
Last Modified
Vulnerability information updated

Description

In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Systems

  • debian•linux

    < 5.10.84-1 | < 5.15.3-1 | < 5.15.3-1 | < 5.15.3-1

References (1)