CVE-2026-46301

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-08. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
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:

spi: topcliff-pch: fix use-after-free on unbind

Give the driver a chance to flush its queue before releasing the DMA buffers on driver unbind

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
2%
KEV
Not listed

Published

June 8, 2026

Last Modified

July 23, 2026

Advisory Details (8)

Auto-updated Jul 8, 2026
No patch confirmed yet.
generic

spi: topcliff-pch: fix use-after-free on unbind - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d79e92161b65832e0b8cad5f3d84d17e5cd7a970
generic

spi: topcliff-pch: fix use-after-free on unbind - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d50ef3553acbacce6f2843304d41d06dca358bb6
generic

spi: topcliff-pch: fix use-after-free on unbind - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9d72732fe70c11424bc90ed466c7ccfa58b42a9a
generic

spi: topcliff-pch: fix use-after-free on unbind - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8822980668c96b5aa251c1e2daec1873262b8f3f
generic

spi: topcliff-pch: fix use-after-free on unbind - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/4ca90deeca1c7dd72c1c380ba8143565516def2d
generic

spi: topcliff-pch: fix use-after-free on unbind - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/43334836b907adc21eab3079d2e6b26754468786
generic

spi: topcliff-pch: fix use-after-free on unbind - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/36e58c436d2c2a797800427dc04d74ffd8b6ce1c
generic

spi: topcliff-pch: fix use-after-free on unbind - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0e8e57f9737ea257634db1d152fc430a0788a3e1

Vendor Advisories for CVE-2026-46301(2)

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

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-09-14ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1064.72+fips1) @ noble2026-09-14ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1075 (5.15.0-1075.79) @ jammy2026-09-14ubuntu
ubuntulinux-tools-nvidia-lowlatency-5.15 (5.15.0.1107.107) @ jammy2026-09-14ubuntu
ubuntulinux-tools-intel-iot-realtime-5.15 (5.15.0.1104.108) @ jammy2026-09-14ubuntu
ubuntulinux-tools-gcp-edge (7.0.0-1011.11~24.04.1) @ noble2026-09-14ubuntu
ubuntulinux-virtual-6.8 (6.8.0-136.136) @ noble2026-09-14ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-09-14ubuntu
ubuntulinux-tools-aws-lts-24.04 (6.8.0-1061.64+1) @ noble2026-09-14ubuntu
ubuntulinux-tools-azure-fde-lts-24.04 (6.8.0-1062.69) @ noble2026-09-14ubuntu
ubuntulinux-tools-oracle-lts-22.04 (5.15.0.1109.105) @ jammy2026-09-14ubuntu
ubuntulinux-tools-azure-fde-lts-22.04 (5.15.0.1117.126) @ jammy2026-09-14ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-09-14ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.66~20.04.1) @ focal2026-09-14ubuntu
ubuntulinux-tools-azure-edge (6.8.0-1063.71~22.04.1) @ jammy2026-09-14ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-09-14ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1059.62.1) @ noble2026-09-14ubuntu
ubuntulinux-tools-intel-iotg-5.15 (5.15.0.1107.106) @ jammy2026-09-14ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.64) @ jammy2026-09-14ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-136.136~22.04.1) @ jammy2026-09-14ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1117.102) @ jammy2026-09-14ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1016.16) @ resolute2026-09-14ubuntu
ubuntulinux-tools-nvidia-hwe-26.04 (7.0.0-2016.16) @ resolute2026-09-14ubuntu
ubuntulinux-tools-gcp-edge (5.15.0.1112.122~20.04.1) @ focal2026-09-14ubuntu
ubuntulinux-tools-raspi-realtime-6.8 (6.8.0-2050.52) @ noble2026-09-14ubuntu
ubuntulinux-tools-oracle-lts-24.04 (6.8.0-1058.61) @ noble2026-09-14ubuntu
ubuntulinux-tools-oracle-edge (6.8.0-1058.61~22.04.1) @ jammy2026-09-14ubuntu
ubuntulinux-tools-aws-fips-6.8 (6.8.0-1061.64+fips1) @ noble2026-09-14ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1033.34) @ noble2026-09-14ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-28.28) @ resolute2026-09-14ubuntu

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

(5 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (54 versions)5.10.259-1—
linux-6.16.1.106-3~deb11u1 ... 6.1.174-1~deb11u1 (20 versions)6.1.176-1~deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (53 versions)6.1.176-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.88-1~bpo12+1 (21 versions)6.12.88-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.7-1~bpo13+1 (136 versions)7.0.7-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(24)

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 9× 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 243 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-46301?
CVE-2026-46301 is a high vulnerability published on June 8, 2026. In the Linux kernel, the following vulnerability has been resolved: spi: topcliff-pch: fix use-after-free on unbind Give the driver a chance to flush its queue before releasing the DMA buffers on driver unbind
When was CVE-2026-46301 disclosed?
CVE-2026-46301 was first published in the National Vulnerability Database on June 8, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46301 actively exploited?
CVE-2026-46301 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 98.1% of all scored CVEs.
What is the CVSS score of CVE-2026-46301?
CVE-2026-46301 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-46301?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46301, 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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