CVE-2026-31506

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-04-22. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

net: bcmasp: fix double free of WoL irq

We do not need to free wol_irq since it was instantiated with devm_request_irq(). So devres will free for us.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

April 22, 2026

Last Modified

April 28, 2026

Advisory Details (4)

Auto-updated Jun 4, 2026
No patch confirmed yet.
generic

net: bcmasp: fix double free of WoL irq - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cbfa5be2bf64511d49b854a0f9fd6d0b5118621f
generic

net: bcmasp: fix double free of WoL irq - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9e5f5c07cc7d66522f8c9676c28605eba5d4a20e
generic

net: bcmasp: fix double free of WoL irq - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8a30509ce6a29bdf18e0802383c524a7b2357ec0
generic

net: bcmasp: fix double free of WoL irq - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/121a6ad9cd42ba3bfc57deae93e3326515c2afe1

Vendor Advisories for CVE-2026-31506(1)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
linuxKernel @ 6.12.80—osv

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

(2 across 2 ecosystems)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.85-1~bpo12+1 (17 versions)6.12.85-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 6.19~rc8-1~exp1 (124 versions)6.19.11-1—

Weakness Classification(1)

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

All Vendor Advisories

(10)

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 5× in last 7d / 27× 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 229 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-31506?
CVE-2026-31506 is a high vulnerability published on April 22, 2026. In the Linux kernel, the following vulnerability has been resolved: net: bcmasp: fix double free of WoL irq We do not need to free wol_irq since it was instantiated with devmrequestirq(). So devres will free for us.
When was CVE-2026-31506 disclosed?
CVE-2026-31506 was first published in the National Vulnerability Database on April 22, 2026, with the most recent update on April 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-31506 actively exploited?
CVE-2026-31506 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 97.2% of all scored CVEs.
What is the CVSS score of CVE-2026-31506?
CVE-2026-31506 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-31506?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-31506, 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

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