CVE-2026-23334

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-03-25. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: 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:

can: usb: f81604: handle short interrupt urb messages properly

If an interrupt urb is received that is not the correct length, properly detect it and don't attempt to treat the data as valid.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity55% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

March 25, 2026

Last Modified

June 17, 2026

Advisory Details (5)

Auto-updated Aug 6, 2026
No patch confirmed yet.
generic

can: usb: f81604: handle short interrupt urb messages properly - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c5d69da6c919648838734097861e979677eedcde
generic

can: usb: f81604: handle short interrupt urb messages properly - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9b740ff5bc649575a5e14ca8ee54e3dd5010aaf0
generic

can: usb: f81604: handle short interrupt urb messages properly - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/7299b1b39a255f6092ce4ec0b65f66e9d6a357af
generic

can: usb: f81604: handle short interrupt urb messages properly - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/66615e6293388f75a56226d1216fd9cfb3d95e05
generic

can: usb: f81604: handle short interrupt urb messages properly - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/36ead57443146e6b730ce1f48ca3e9b17e19a3d2

Vendor Advisories for CVE-2026-23334(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 @ 6.6.130—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 (117 versions)6.19.8-1—

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 7× in last 7d / 47× 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 199 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-23334?
CVE-2026-23334 is a medium vulnerability published on March 25, 2026. In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: handle short interrupt urb messages properly If an interrupt urb is received that is not the correct length, properly detect it and don't attempt to treat the data as valid.
When was CVE-2026-23334 disclosed?
CVE-2026-23334 was first published in the National Vulnerability Database on March 25, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-23334 actively exploited?
CVE-2026-23334 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 97.8% of all scored CVEs.
What is the CVSS score of CVE-2026-23334?
CVE-2026-23334 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-23334?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-23334, 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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