CVE-2026-53362
kernel: kernel: ipv6 frag escape
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 21, 2026
Updated · August 28, 2026
Description
A flaw was found in the Linux kernel's ipv6 networking subsystem. An incorrect parameter length calculation allows an attacker with permissions to create UDP sockets to trigger overwrites of kernel memory, potentially leading to privilege escalation, data corruption, or a system crash.
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
See the security bulletin for a detailed mitigation procedure.
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-130 · Improper Handling of Length Parameter Inconsistency