CVE-2026-43426

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-08. 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

A fix is available — apply it.

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

usb: renesas_usbhs: fix use-after-free in ISR during device removal

In usbhs_remove(), the driver frees resources (including the pipe array) while the interrupt handler (usbhs_interrupt) is still registered. If an interrupt fires after usbhs_pipe_remove() but before the driver is fully unbound, the ISR may access freed memory, causing a use-after-free.

Fix this by calling devm_free_irq() before freeing resources. This ensures the interrupt handler is both disabled and synchronized (waits for any running ISR to complete) before usbhs_pipe_remove() is called.

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

May 8, 2026

Last Modified

May 20, 2026

Advisory Details (8)

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

usb: renesas_usbhs: fix use-after-free in ISR during device removal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c7012fc73dab4829404fedeeaa8531f12ac8545f
generic

usb: renesas_usbhs: fix use-after-free in ISR during device removal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9c6159d5b72d5fc265cce5da04f27d730b552e69
generic

usb: renesas_usbhs: fix use-after-free in ISR during device removal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6ffe44f022c95b1b29c691d2169c5abc046f7580
generic

usb: renesas_usbhs: fix use-after-free in ISR during device removal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6287e0c01ccb818e7214f88d885ffb7c9e81b0e0
generic

usb: renesas_usbhs: fix use-after-free in ISR during device removal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/51afaf919bbaacdd9cc9e146033ae0a743a42dd7
generic

usb: renesas_usbhs: fix use-after-free in ISR during device removal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3cbc242b88c607f55da3d0d0d336b49bf1e20412
generic

usb: renesas_usbhs: fix use-after-free in ISR during device removal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1899edac312ef17a7234851686e8a703f56d0a84
generic

usb: renesas_usbhs: fix use-after-free in ISR during device removal - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0b7d11fd6e742ecc0b1eca44b4f0b93140c74bae

Vendor Advisories for CVE-2026-43426(1)

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

Patch Availability(26)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-6.8 (6.8.0-136.136) @ noble2026-08-23ubuntu
ubuntulinux-tools-oracle-lts-24.04 (6.8.0-1058.61) @ noble2026-08-23ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1075 (5.15.0-1075.79) @ jammy2026-08-23ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1064.72+fips1) @ noble2026-08-23ubuntu
ubuntulinux-tools-aws-fips-6.8 (6.8.0-1061.64+fips1) @ noble2026-08-23ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1033.34) @ noble2026-08-23ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.66~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-tools-oracle-edge (6.8.0-1058.61~22.04.1) @ jammy2026-08-23ubuntu
ubuntulinux-tools-gcp-edge (5.15.0.1112.122~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1117.102) @ jammy2026-08-23ubuntu
ubuntulinux-tools-intel-iot-realtime-5.15 (5.15.0.1104.108) @ jammy2026-08-23ubuntu
ubuntulinux-tools-intel-iotg-5.15 (5.15.0.1107.106) @ jammy2026-08-23ubuntu
ubuntulinux-tools-nvidia-lowlatency-5.15 (5.15.0.1107.107) @ jammy2026-08-23ubuntu
ubuntulinux-tools-azure-fde-lts-22.04 (5.15.0.1117.126) @ jammy2026-08-23ubuntu
ubuntulinux-tools-raspi-realtime-6.8 (6.8.0-2050.52) @ noble2026-08-23ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1059.62.1) @ noble2026-08-23ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1063.71) @ noble2026-08-23ubuntu
ubuntulinux-tools-aws-lts-24.04 (6.8.0-1061.64+1) @ noble2026-08-23ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.64) @ jammy2026-08-23ubuntu
ubuntulinux-tools-oracle-edge (5.15.0.1109.115~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-136.136~22.04.1) @ jammy2026-08-23ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1063.71+fips2) @ noble2026-08-23ubuntu
ubuntulinux-tools-azure-fde-lts-24.04 (6.8.0-1062.69) @ noble2026-08-23ubuntu
ubuntulinux-tools-azure-fde-6.8 (6.8.0-1062.69~22.04.1) @ jammy2026-08-23ubuntu
ubuntulinux-tools-oracle-lts-22.04 (5.15.0.1109.105) @ jammy2026-08-23ubuntu
linuxKernel @ 5.10.253—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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (53 versions)5.10.257-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (48 versions)6.1.170-1—
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 (119 versions)6.19.10-1—

Weakness Classification(1)

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

All Vendor Advisories

(25)

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 / 70× 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 210 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-43426?
CVE-2026-43426 is a high vulnerability published on May 8, 2026. In the Linux kernel, the following vulnerability has been resolved: usb: renesas_usbhs: fix use-after-free in ISR during device removal In usbhs_remove(), the driver frees resources (including the pipe array) while the interrupt handler (usbhs_interrupt) is still registered. If an interrupt fires…
When was CVE-2026-43426 disclosed?
CVE-2026-43426 was first published in the National Vulnerability Database on May 8, 2026, with the most recent update on May 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43426 actively exploited?
CVE-2026-43426 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 97.5% of all scored CVEs.
What is the CVSS score of CVE-2026-43426?
CVE-2026-43426 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-43426?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43426, 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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