Linux Kernel Use-After-Free Vulnerability
The Linux Kernel Organization — linux
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.
5.3
10.5%
Vector breakdown
- Attack vector
- Local
- Attack complexity
- High
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
- Published
- Jan 8, 2024
- Modified
- Oct 14, 2026
- Added to KEV
- Jun 26, 2024
- Federal patch due
- Jul 17, 2024
CISA required action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Weakness classification
Proof-of-concept & exploitation references
6 foundWeaponization
Public repositories whose name or description references CVE-2022-2586, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
- aels/CVE-2022-2586-LPE★ 21
CVE-2022-2586: Linux kernel nft_object UAF
updated Jul 8, 2026
- pirenga/2022-LPE-UAF★ 6
CVE-2022-2588,CVE-2022-2586,CVE-2022-2585
updated May 13, 2026
- konoha279/2022-LPE-UAF★ 5
CVE-2022-2588,CVE-2022-2586,CVE-2022-2585
updated Aug 12, 2026
- sniper404ghostxploit/CVE-2022-2586★ 2
gcc exploit.c -o exploit -lmnl -lnftnl -no-pie -lpthread
updated Aug 15, 2026
- neverendingsupport/angularjs-poc-cve-2022-25869★ 1
A minimal reproduction of an AngularJS <textarea> XSS vulnerability on IE (tracked as CVE-2022-25869).
updated Oct 13, 2025
- lanleft/CVE-2022-2586★ 0
updated Aug 20, 2026
References
Frequently asked questions
What is CVE-2022-2586?
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.
How severe is CVE-2022-2586?
CVE-2022-2586 has a CVSS base score of 5.3 out of 10 (CVSS 3.1).
Is CVE-2022-2586 actively exploited in the wild?
Yes. CVE-2022-2586 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Jun 26, 2024, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2022-2586?
10.5% - meaning FIRST.org's EPSS model estimates a 10.5% probability this vulnerability will be exploited in the wild within 30 days (95% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2022-2586?
We found 6 public GitHub repositories referencing CVE-2022-2586, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
What type of vulnerability is CVE-2022-2586?
CVE-2022-2586 is classified under CWE-416.
Cross-checked against
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