CVE-2026-23095
kernel: Kernel: Denial of Service in GUE due to memory leak
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 4, 2026
Updated · August 14, 2026
Description
A flaw was found in the Generic UDP Encapsulation (GUE) component of the Linux kernel. A remote attacker could send specially crafted GUE packets with an inner IP protocol of 0. This vulnerability leads to a memory leak, which can result in a Denial of Service (DoS) on the affected system.
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
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime