CVE-2022-2586

CRITICALNVD 5.39.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-06-26), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 5.3 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 10%CVSS: 5.3Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

A fix is available — apply it.

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.

CVSS v3
5.3
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
10%
EPSS %ILE
95%
KEV
⚠ Exploited

Published

January 8, 2024

Last Modified

October 28, 2025

Advisory Details (9)

Auto-updated Jun 13, 2026
Patch available. Sources: ubuntu.
ubuntu Patch Available

USN-5567-1: Linux kernel (OEM) vulnerabilities | Ubuntu security notices | Ubuntu

https://ubuntu.com/security/notices/USN-5567-1
ubuntu Patch Available

USN-5565-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu

https://ubuntu.com/security/notices/USN-5565-1
ubuntu Patch Available

USN-5564-1: Linux kernel (Intel IoTG) vulnerabilities | Ubuntu security notices | Ubuntu

https://ubuntu.com/security/notices/USN-5564-1
ubuntu Patch Available

USN-5562-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu

https://ubuntu.com/security/notices/USN-5562-1
ubuntu Patch Available

USN-5560-2: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu

https://ubuntu.com/security/notices/USN-5560-2
ubuntu Patch Available

USN-5560-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu

https://ubuntu.com/security/notices/USN-5560-1
ubuntu Patch Available

USN-5557-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu

https://ubuntu.com/security/notices/USN-5557-1
generic

[PATCH 1/3] netfilter: nf_tables: do not allow SET_ID to refer to another table

https://lore.kernel.org/netfilter-devel/[email protected]/T/#t
generic
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586

Vendor Advisories for CVE-2022-2586(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(15)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-modules-extra-5.15.0-1016-gcp (5.15.0-1016.21) @ jammy2026-07-26ubuntu
ubuntulinux-modules-iwlwifi-5.17.0-1015-oem (5.17.0-1015.16) @ jammy2026-07-26ubuntu
ubuntulinux-tools-azure-fde (5.4.0.1089.94+cvm1.29) @ focal2026-07-26ubuntu
ubuntulowlatency-4.4 (4.4.0-168) @ xenial2026-07-26ubuntu
ubuntulinux-image-lowlatency (5.4.0.124.125) @ focal2026-07-26ubuntu
ubuntulinux-tools-5.15.0-1013-intel-iotg (5.15.0-1013.17) @ jammy2026-07-26ubuntu
ubuntulinux-image-lowlatency (4.4.0.231.237) @ xenial2026-07-26ubuntu
ubuntulinux-image-4.15.0-191-generic-lpae (4.15.0-191.202) @ bionic2026-07-26ubuntu
ubuntulinux-signed-image-azure (4.15.0.1149.118) @ trusty2026-07-26ubuntu
ubuntulinux-image-lowlatency (5.15.0.46.43) @ jammy2026-07-26ubuntu
redhatkernel-0:4.18.0-372.91.1.el8_62024-02-07redhat
redhatkernel-0:5.14.0-162.6.1.el9_12022-11-15redhat
redhatkernel-rt-0:5.14.0-162.6.1.rt21.168.el9_12022-11-15redhat
redhatkernel-0:4.18.0-425.3.1.el82022-11-08redhat
redhatkernel-rt-0:4.18.0-425.3.1.rt7.213.el82022-11-08redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(13)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 44× in last 7d / 219× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 455 total refreshes for this CVE.

  1. 2026-07-27 11:17 UTCVendor advisory
  2. 2026-07-27 07:08 UTCVendor advisory
  3. 2026-07-27 02:57 UTCVendor advisory
  4. 2026-07-26 22:47 UTCVendor advisory
  5. 2026-07-26 18:38 UTCEG score recompute
  6. 2026-07-26 18:38 UTCVendor advisory
  7. 2026-07-26 14:52 UTCEPSS rescore
  8. 2026-07-26 14:27 UTCEG score recompute
  9. 2026-07-26 14:27 UTCVendor advisory
  10. 2026-07-26 10:18 UTCVendor advisory
  11. 2026-07-26 06:07 UTCVendor advisory
  12. 2026-07-26 01:55 UTCEG score recompute
  13. 2026-07-26 01:55 UTCVendor advisory
  14. 2026-07-25 14:15 UTCEPSS rescore
  15. 2026-07-24 14:15 UTCEPSS rescore
  16. 2026-07-24 14:15 UTCEPSS rescore
  17. 2026-07-23 14:16 UTCEPSS rescore
  18. 2026-07-23 14:16 UTCEPSS rescore
  19. 2026-07-23 02:09 UTCEG score recompute
  20. 2026-07-22 22:56 UTCEG score recompute
  21. 2026-07-22 20:32 UTCVendor advisory
  22. 2026-07-22 19:40 UTCCISA KEV update
  23. 2026-07-22 16:22 UTCEG score recompute
  24. 2026-07-22 16:22 UTCVendor advisory
  25. 2026-07-22 14:06 UTCEPSS rescore
Show 75 more
  1. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-22 12:11 UTCVendor advisory
  3. 2026-07-22 08:02 UTCVendor advisory
  4. 2026-07-22 03:53 UTCVendor advisory
  5. 2026-07-21 23:40 UTCVendor advisory
  6. 2026-07-21 18:15 UTCEG score recompute
  7. 2026-07-21 18:15 UTCVendor advisory
  8. 2026-07-21 15:22 UTCEPSS rescore
  9. 2026-07-21 15:22 UTCEPSS rescore
  10. 2026-07-21 14:37 UTCCISA KEV update
  11. 2026-07-21 14:06 UTCVendor advisory
  12. 2026-07-21 09:56 UTCVendor advisory
  13. 2026-07-21 05:46 UTCVendor advisory
  14. 2026-07-21 01:34 UTCVendor advisory
  15. 2026-07-20 21:25 UTCVendor advisory
  16. 2026-07-20 17:15 UTCEG score recompute
  17. 2026-07-20 17:15 UTCVendor advisory
  18. 2026-07-20 17:05 UTCEPSS rescore
  19. 2026-07-20 13:04 UTCVendor advisory
  20. 2026-07-20 08:55 UTCVendor advisory
  21. 2026-07-20 04:44 UTCVendor advisory
  22. 2026-07-20 00:35 UTCVendor advisory
  23. 2026-07-19 20:23 UTCVendor advisory
  24. 2026-07-19 16:14 UTCEG score recompute
  25. 2026-07-19 16:14 UTCVendor advisory
  26. 2026-07-19 14:29 UTCEPSS rescore
  27. 2026-07-19 12:04 UTCVendor advisory
  28. 2026-07-19 07:55 UTCVendor advisory
  29. 2026-07-19 03:45 UTCEG score recompute
  30. 2026-07-19 03:45 UTCVendor advisory
  31. 2026-07-19 02:27 UTCEPSS rescore
  32. 2026-07-19 02:27 UTCEPSS rescore
  33. 2026-07-18 23:35 UTCVendor advisory
  34. 2026-07-18 19:25 UTCVendor advisory
  35. 2026-07-18 15:16 UTCVendor advisory
  36. 2026-07-18 11:06 UTCEG score recompute
  37. 2026-07-18 11:06 UTCVendor advisory
  38. 2026-07-18 10:03 UTCEPSS rescore
  39. 2026-07-18 10:02 UTCEPSS rescore
  40. 2026-07-18 06:55 UTCVendor advisory
  41. 2026-07-18 02:45 UTCVendor advisory
  42. 2026-07-17 22:35 UTCVendor advisory
  43. 2026-07-17 18:26 UTCVendor advisory
  44. 2026-07-17 14:16 UTCVendor advisory
  45. 2026-07-17 10:06 UTCEG score recompute
  46. 2026-07-17 10:06 UTCVendor advisory
  47. 2026-07-17 05:57 UTCVendor advisory
  48. 2026-07-17 01:47 UTCVendor advisory
  49. 2026-07-16 21:37 UTCVendor advisory
  50. 2026-07-16 17:27 UTCVendor advisory
  51. 2026-07-16 17:04 UTCCISA KEV update
  52. 2026-07-16 17:00 UTCEPSS rescore
  53. 2026-07-16 13:17 UTCVendor advisory
  54. 2026-07-16 09:06 UTCVendor advisory
  55. 2026-07-16 04:56 UTCVendor advisory
  56. 2026-07-16 00:46 UTCVendor advisory
  57. 2026-07-15 20:36 UTCVendor advisory
  58. 2026-07-15 16:56 UTCEPSS rescore
  59. 2026-07-15 16:56 UTCEPSS rescore
  60. 2026-07-15 16:49 UTCCISA KEV update
  61. 2026-07-15 16:26 UTCVendor advisory
  62. 2026-07-15 15:04 UTCCISA KEV update
  63. 2026-07-15 12:17 UTCVendor advisory
  64. 2026-07-15 08:06 UTCVendor advisory
  65. 2026-07-15 03:55 UTCVendor advisory
  66. 2026-07-15 01:58 UTCEPSS rescore
  67. 2026-07-15 01:58 UTCEPSS rescore
  68. 2026-07-14 23:46 UTCVendor advisory
  69. 2026-07-14 19:36 UTCVendor advisory
  70. 2026-07-14 18:05 UTCCISA KEV update
  71. 2026-07-14 15:26 UTCVendor advisory
  72. 2026-07-14 11:17 UTCVendor advisory
  73. 2026-07-14 07:07 UTCVendor advisory
  74. 2026-07-14 02:57 UTCVendor advisory
  75. 2026-07-13 22:48 UTCVendor advisory

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCsniper404ghostxploit/CVE-2022-2586
    First seen Nov 6, 2022

    gcc exploit.c -o exploit -lmnl -lnftnl -no-pie -lpthread

    Open source ↗
  • GitHub PoCaels/CVE-2022-2586-LPE
    First seen Sep 3, 2022

    CVE-2022-2586: Linux kernel nft_object UAF

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2022-2586?
CVE-2022-2586 is a critical vulnerability published on January 8, 2024. 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.
When was CVE-2022-2586 disclosed?
CVE-2022-2586 was first published in the National Vulnerability Database on January 8, 2024, with the most recent update on October 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-2586 actively exploited?
Yes. CISA added CVE-2022-2586 to the Known Exploited Vulnerabilities catalog on June 26, 2024, affecting Linux Kernel. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-2586?
CVE-2022-2586 has a CVSS v3 base score of 5.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2022-2586?
CVE-2022-2586 affects Linux Kernel. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2022-2586?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-2586, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2022-2586

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