CVE-2022-2586
Linux Kernel Use-After-Free Vulnerability
- Medium 5.3
- Exploited: added to CISA KEV 26 Jun 2024
Description
It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
Key facts
- Published
- 8 Jan 2024
- Last changed
- 14 Oct 2026
- Assigned by
- canonical
- KEV added
- 26 Jun 2024
- KEV fix due
- 17 Jul 2024
- EPSS
- 10.202% likely to be exploited in the next 30 days, higher than 95.746% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 5.3CVSS 3.1, Mediumfrom the CNA (canonical)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
What to do
- Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| The Linux Kernel Organization | linux |
|
Timeline
- 8 Jan 2024 Published
- 26 Jun 2024 CVE-2022-2586 added to CISA KEV
- 26 Jun 2024 Added to the CISA KEV catalogue