CVE-2021-45868

PoC ×3—

CVSS 3.1

5.5 medium

EPSS

1%p70

Published

Mar 18, 2022 (Mar 18, 2022)

Modified

Jun 17, 2026

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.

Vendors: linux netapp
Products: linux kernel, h300s firmware, h700s firmware, h300e firmware, h500e firmware, h700e firmware, h410s firmware, h410c firmware, h500s firmware
Weakness: CWE-416
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.3%)

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