CVE Database›Document archive›CVE-2022-49638

CVE-2022-49638

kernel: icmp: Fix data-races around sysctl.

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Severity

Moderate

Red Hat Product Security

4.7

CVSS 3.1

Review impact separately from score.

Published · February 26, 2025

Updated · November 4, 2026

Description

A flaw was found in the Linux kernel's ICMP protocol. A race condition can occur when reading the ICMP sysctl variables due to a missing lock, potentially impacting system stability and resulting in a denial of service.

Statement

This issue has been fixed in Red Hat Enterprise Linux 9.2 via RHSA-2023:2458 [1].

[1]. https://access.redhat.com/errata/RHSA-2023:2458

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 do 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 · 4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization