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.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

5.9% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-25)

CWEs

CWE-415, CWE-416

Published

2024-01-08

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• canonical:ubuntu_linux
• linux:linux_kernel

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2588
• https://github.com/Markakd/CVE-2022-2588
• https://lore.kernel.org/netdev/20220809170518.164662-1-cascardo@canonical.com/T/#u
• https://ubuntu.com/security/notices/USN-5557-1
• https://ubuntu.com/security/notices/USN-5560-1

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