CVE-2022-48810
kernel: ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 16, 2024
Updated · February 2, 2026
Description
A vulnerability was found in the Linux kernel's multicast routing implementation, where the ip[6]mr_free_table() function can be called without acquiring the required RTNL lock which lead to assertion failures and kernel panics during the cleanup of multicast routing tables.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-414 · Missing Lock Check