CVE-2022-2588

HIGHCVSS 7.8/10EPSS 6.21%

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 6.21% 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

CVSS 3.1
7.8/10

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

EPSS Probability
6.21%

92.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel< 4.9.326
LinuxLinux Kernel>= 4.10, < 4.14.291
LinuxLinux Kernel>= 4.15, < 4.19.256
LinuxLinux Kernel>= 4.20, < 5.4.211
LinuxLinux Kernel>= 5.5, < 5.10.137
LinuxLinux Kernel>= 5.11, < 5.15.61
LinuxLinux Kernel>= 5.16, < 5.18.18
LinuxLinux Kernel>= 5.19, < 5.19.2
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux18.04
CanonicalUbuntu Linux20.04
CanonicalUbuntu Linux22.04

References

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 6.21% 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.

Are you affected by CVE-2022-2588?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST