CVE-2022-2588
HIGHCVSS 7.8/10EPSS 5.87%
Last modified
CVE-2022-2588 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 5.87% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.9.326 |
| Linux | Linux Kernel | >= 4.10, < 4.14.291 |
| Linux | Linux Kernel | >= 4.15, < 4.19.256 |
| Linux | Linux Kernel | >= 4.20, < 5.4.211 |
| Linux | Linux Kernel | >= 5.5, < 5.10.137 |
| Linux | Linux Kernel | >= 5.11, < 5.15.61 |
| Linux | Linux Kernel | >= 5.16, < 5.18.18 |
| Linux | Linux Kernel | >= 5.19, < 5.19.2 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Canonical | Ubuntu Linux | 22.04 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2588Third Party Advisory
- https://ubuntu.com/security/notices/USN-5557-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-2Third Party Advisory
- https://ubuntu.com/security/notices/USN-5562-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5564-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5565-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5566-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5567-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5582-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5588-1Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1117/Third Party Advisory, VDB Entry
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2588Third Party Advisory
- https://ubuntu.com/security/notices/USN-5557-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5560-2Third Party Advisory
- https://ubuntu.com/security/notices/USN-5562-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5564-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5565-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5566-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5567-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5582-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5588-1Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1117/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-2588?
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.
How severe is CVE-2022-2588?
CVE-2022-2588 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 5.87% probability of exploitation in the next 30 days.
How do I fix CVE-2022-2588?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-2588?
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Scan your code nowSource: NVD / NIST