CVE-2021-45868 - CVE House
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Status published Medium CVE-2021-45868

In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

linux kernel, h300s firmware, h700s firmware, h300e firmware, h500e firmware, h700e firmware, h410s firmware, h410c firmware, h500s firmware
Vulnerable Versions:
0

Timeline

Official Publish: March 18th, 2022
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.