CVE-2024-36971
kernel: net: kernel: UAF in network route management
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 10, 2024
Updated · October 9, 2026
Description
A use-after-free flaw was found in the Linux kernel's network route management. This flaw allows an attacker to alter the behavior of certain network connections.
Statement
Environments which use third-party KABI modules may experience kernel crashes after applying errata for CVE-2024-36971. Contact your module vendor about an update. Until these third party modules can be fixed, you can prevent crashes by disabling them. This problem stems from modules which use the negative_advice() function.
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
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE not specified