CVE-2022-2586

MEDIUMNVD 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
5.3
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 10%CVSS: 5.3Exploit: NoneExposed: 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)
EPSS
95.3%
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/20220809170148.164591-1-cascardo@canonical.com/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-tools-aws-hwe (4.15.0.1139.126) @ xenial2026-07-21ubuntu
ubuntulinux-image-lowlatency (5.4.0.124.125) @ focal2026-07-21ubuntu
ubuntulinux-image-lowlatency (5.15.0.46.43) @ jammy2026-07-21ubuntu
ubuntulinux-modules-extra-5.15.0-1016-gcp (5.15.0-1016.21) @ jammy2026-07-21ubuntu
ubuntulinux-modules-iwlwifi-5.17.0-1015-oem (5.17.0-1015.16) @ jammy2026-07-21ubuntu
ubuntuibm (5.4.0-1009) @ focal2026-07-21ubuntu
ubuntulinux-tools-azure-fde (5.4.0.1089.94+cvm1.29) @ focal2026-07-21ubuntu
ubuntulinux-tools-5.15.0-1013-intel-iotg (5.15.0-1013.17) @ jammy2026-07-21ubuntu
ubuntulinux-image-lowlatency (4.4.0.231.237) @ xenial2026-07-21ubuntu
ubuntulinux-image-4.15.0-191-generic-lpae (4.15.0-191.202) @ bionic2026-07-21ubuntu
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 61× in last 7d / 234× 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 435 total refreshes for this CVE.

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

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 ↗

Frequently asked(6)

What is CVE-2022-2586?
CVE-2022-2586 is a medium 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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