CVE-2021-3635

kernel: flowtable list del corruption with kernel BUG at lib/list_debug.c:50

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Severity

Low

Red Hat Product Security

4.1

CVSS 3.1

Review impact separately from score.

Published · August 6, 2021

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel netfilter implementation. A user with root (CAP_SYS_ADMIN) access is able to panic the system when issuing netfilter netflow commands

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

Mitigation for this issue is either not available or the currently available options does not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 4.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer