CVE-2022-2588 - CVE House
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Status published Medium CVE-2022-2588

It was discovered that the cls_route filter implementation in the...

Vulnerability Description

It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Zhenpeng Lin working with Trend Micro's Zero Day Initiative

References

More from The Linux Kernel Organization

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CVE-2022-2602
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CVE-2022-2586
It was discovered that a nft object or expression could...
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CVE-2022-2585
It was discovered that when exec'ing from a non-leader thread,...
Medium 5.3

Affected Vendor

The Linux Kernel Organization

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Affected Software

linux
Vulnerable Versions:
0

Timeline

Official Publish: January 8th, 2024
Last Modified: May 22nd, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

Weaknesses (CWE)

CWE-416

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact