AUGUST 4, 2026
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Case File

CVE-2021-45868

MEDIUM · CVSS 5.5 EPSS 1.34%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-18 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.

CVE
CVE-2021-45868
Severity
MEDIUM
CVSS
5.5
EPSS
1.34%
Linux

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)