CVE-2022-49632
kernel: icmp: Fix a data-race around sysctl_icmp_errors_use_inbound_ifaddr.
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 26, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel's ICMP protocol. A race condition can occur when reading the sysctl_icmp_errors_use_inbound_ifaddr resource 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 · 4.7CVSS: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 ('Race Condition')