CVE-2022-34918

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-07-05. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
7.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Metasploit, public exploit)
CISA-KEV: Not listedEPSS PROB: 5%CVSS: 7.8Exploit: Metasploit · public exploitExposed: 0

A fix is available — apply it.

An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
66(Track)
EG Risk 66/100SSVC: Track

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
Severity78% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
5%
EPSS %ILE
92%
KEV
Not listed

Published

July 4, 2022

Last Modified

November 21, 2024

References (20)

Vendor Advisories for CVE-2022-34918(1)

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

Patch Availability(13)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-lowlatency (5.15.0.43.41) @ jammy2026-05-25ubuntu
ubuntulinux-oem-5.17-tools-5.17.0-1014 (5.17.0-1014.15) @ jammy2026-05-25ubuntu
ubuntulinux-image-4.15.0-191-generic-lpae (4.15.0-191.202) @ bionic2026-05-25ubuntu
ubuntulinux-tools-5.15.0-1013-intel-iotg (5.15.0-1013.17) @ jammy2026-05-25ubuntu
ubuntulinux-tools-azure-fde (5.4.0.1089.94+cvm1.29) @ focal2026-05-25ubuntu
ubuntulowlatency (5.15.0-25) @ jammy2026-05-25ubuntu
ubuntulinux-tools-aws-hwe (4.15.0.1139.126) @ xenial2026-05-25ubuntu
ubuntulinux-modules-extra-5.15.0-1016-gcp (5.15.0-1016.21) @ jammy2026-05-25ubuntu
ubuntulinux-image-ibm-edge (5.4.0.1031.45) @ bionic2026-05-25ubuntu
ubuntulinux-image-lowlatency (4.4.0.230.236) @ xenial2026-05-25ubuntu
redhatkpatch-patch2022-09-20redhat
redhatkernel-0:5.14.0-70.26.1.el9_02022-09-20redhat
redhatkernel-rt-0:5.14.0-70.26.1.rt21.98.el9_02022-09-20redhat

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.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (16 versions)5.10.127-2—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—5.18.14-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—5.18.14-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—5.18.14-1—

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 8× in last 7d / 32× 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 157 total refreshes for this CVE.

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

Publicly available exploits

(5 references)

Working exploit code is in the public domain (1 Metasploit module) (4 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCveritas501/CVE-2022-34918
    First seen Aug 2, 2022

    CVE-2022-34918 netfilter nf_tables 本地提权 POC

    Open source ↗
  • GitHub PoCmerlinepedra25/CVE-2022-34918-LPE-PoC
    First seen Jul 24, 2022
    Open source ↗
  • GitHub PoCmerlinepedra/CVE-2022-34918-LPE-PoC
    First seen Jul 24, 2022
    Open source ↗
  • GitHub PoCrandorisec/CVE-2022-34918-LPE-PoC
    First seen Jul 19, 2022
    Open source ↗
  • Metasploitexploit/linux/local/netfilter_nft_set_elem_init_privesc✓ verified
    First seen Feb 7, 2022

    Netfilter nft_set_elem_init Heap Overflow Privilege Escalation

    Open source ↗

Frequently asked(5)

What is CVE-2022-34918?
CVE-2022-34918 is a high vulnerability published on July 4, 2022. An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nftseteleminit (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an…
When was CVE-2022-34918 disclosed?
CVE-2022-34918 was first published in the National Vulnerability Database on July 4, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-34918 actively exploited?
CVE-2022-34918 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5% probability of exploitation in the next 30 days, which ranks it in the top 7.7% of all scored CVEs.
What is the CVSS score of CVE-2022-34918?
CVE-2022-34918 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2022-34918?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-34918, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-34918

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