CVE-2021-0961

kernel: there is a possible way to read kernel memory due to uninitialized data in quota_proc_write() in xt_quota2.c

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · December 6, 2021

Updated · June 28, 2026

Description

An uninitialized data read flaw in the Linux kernel Android enhanced xt_quota that can count upwards and in packets functionality was found in the way user calls function quota_proc_write. A local user could use this flaw to get unauthorized data access.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CWE-665 · Improper Initialization