CVE-2022-50253
kernel: Linux kernel: Denial of Service in network packet redirection
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 15, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel's network packet processing. A local attacker with high privileges could trigger a denial of service. This occurs when a specially crafted network packet, after header removal, results in a zero-length packet being redirected to a tunneling device. The improper handling of this zero-length packet can lead to a kernel warning and system instability, causing the system to become unresponsive.
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 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-130 · Improper Handling of Length Parameter Inconsistency