Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-2586

CVE-2022-2586HIGH

The Linux Kernel Organization linux — Linux Kernel

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  H  H  H    7.8   .1020   95.5   YES

AFFECTED
  Product  Versions  Fixed
  linux    3.16 –    —

TIMELINE
  Jul 29  Reserved by canonical
  Jan 8   Published (CNA: canonical)
  Jun 26  Added to CISA KEV, remediation due 2024-07-17
  Aug 13  ENRICHED — CVE-2022-2586 (Linux Kernel). Received CVSS 7.8 and CPE data from NVD.
  Aug 13  EXPLOIT PUBLISHED — CVE-2022-2586 (Linux Kernel). Public exploit reference added.
  Aug 20  EXPLOIT PUBLISHED — CVE-2022-2586 (The Linux Kernel Organization linux). Public exploit reference added.

CWE-416 · CNA: canonical · CVSS v3.1 · 15 references · NVD status: Analyzed · KEV due July 17, 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.

Lifecycle

Complete event history — 6 events, chronological
Date	Event	Detail
July 29, 2022	Reserved	Reserved by canonical
January 8, 2024	Published	Published (CNA: canonical)
June 26, 2024	KEV ADDED	Added to CISA KEV, remediation due 2024-07-17
August 13, 2026	ENRICHED	ENRICHED — CVE-2022-2586 (Linux Kernel). Received CVSS 7.8 and CPE data from NVD.
August 13, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2022-2586 (Linux Kernel). Public exploit reference added.
August 20, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2022-2586 (The Linux Kernel Organization linux). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
The Linux Kernel Organization	linux	—	3.16	—

Weaknesses

CWE-416

References (15)

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 [Third Party Advisory]
https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t [Mailing List, Patch]
https://ubuntu.com/security/notices/USN-5557-1 [Third Party Advisory]
https://ubuntu.com/security/notices/USN-5560-1 [Third Party Advisory]
https://ubuntu.com/security/notices/USN-5560-2 [Third Party Advisory]
https://ubuntu.com/security/notices/USN-5562-1 [Third Party Advisory]
https://ubuntu.com/security/notices/USN-5564-1 [Third Party Advisory]
https://ubuntu.com/security/notices/USN-5565-1 [Third Party Advisory]
https://ubuntu.com/security/notices/USN-5566-1 [Third Party Advisory]
https://ubuntu.com/security/notices/USN-5567-1 [Third Party Advisory]
https://ubuntu.com/security/notices/USN-5582-1 [Third Party Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586 [US Government Resource]
https://www.openwall.com/lists/oss-security/2022/08/09/5 [Mailing List]
https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586 [Exploit, Third Party Advisory]
https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ [Third Party Advisory, VDB Entry]

Authoritative record: CVE-2022-2586 at cve.org

Vendors: the linux kernel organization

Weaknesses: CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-2586 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.