CVE-2026-74428

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-15. A secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

rxrpc: Fix double unlock in rxrpc_recvmsg()

Fix a double unlock in rxrpc_recvmsg() when dealing with OOB messages.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
49
EG Risk 49/100CISA SSVC

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
Severity98% × 45%
Exploitation1% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.6%
EPSS %ILE
49th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 15, 2026

Last Modified

August 17, 2026

Advisory Details (3)

Auto-updated Oct 5, 2026
Patch available.
generic

rxrpc: Fix double unlock in rxrpc_recvmsg() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a2f299b4d5510147fa8629a6aba2869bbcc88aea
generic

rxrpc: Fix double unlock in rxrpc_recvmsg() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8cd8cf3052fff9a4b86b25734f610e4af03786d3
generic

rxrpc: Fix double unlock in rxrpc_recvmsg() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1297ae6aeebc3863cb437e42a1bc4cd6173e43d9

Vendor Advisories for CVE-2026-74428(1)

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

Patch Availability(4)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-34.34) @ resolute2026-10-05ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1014.14) @ resolute2026-10-05ubuntu
ubuntulinux-tools-oracle-edge (7.0.0-1012.12~24.04.1) @ noble2026-10-05ubuntu
ubuntulinux-tools-gke-hwe-26.04 (7.0.0-1007.8) @ resolute2026-10-05ubuntu

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

(1 across 1 ecosystem)
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 7.1~rc7-1~exp1 (160 versions)
  • every version up to 7.1.5-1: fixed in 7.1.5-1
—

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 54× in last 7d / 223× 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 390 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-74428?
CVE-2026-74428 is a critical vulnerability published on August 15, 2026. In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix double unlock in rxrpc_recvmsg() Fix a double unlock in rxrpc_recvmsg() when dealing with OOB messages.
When was CVE-2026-74428 disclosed?
CVE-2026-74428 was first published on August 15, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-74428 actively exploited?
CVE-2026-74428 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (49th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-74428?
CVE-2026-74428 has a CVSS base score of 9.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-74428?
A fix for CVE-2026-74428 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-74428 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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