CVE-2026-46197

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-28. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:linux, epss, ghsa
Trending — 4 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 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:

drm/amdkfd: validate SVM ioctl nattr against buffer size

Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count.

(cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
3.6%
KEV
Not listed

Published

May 28, 2026

Last Modified

June 14, 2026

Advisory Details (7)

Auto-updated Jun 3, 2026
No patch confirmed yet.
generic

drm/amdkfd: validate SVM ioctl nattr against buffer size - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61
generic

drm/amdkfd: validate SVM ioctl nattr against buffer size - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631
generic

drm/amdkfd: validate SVM ioctl nattr against buffer size - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21
generic

drm/amdkfd: validate SVM ioctl nattr against buffer size - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc
generic

drm/amdkfd: validate SVM ioctl nattr against buffer size - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52
generic

drm/amdkfd: validate SVM ioctl nattr against buffer size - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3
generic

drm/amdkfd: validate SVM ioctl nattr against buffer size - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1

Vendor Advisories for CVE-2026-46197(2)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 88× 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 188 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-46197?
CVE-2026-46197 is a high vulnerability published on May 28, 2026. In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit…
When was CVE-2026-46197 disclosed?
CVE-2026-46197 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on June 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46197 actively exploited?
CVE-2026-46197 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-46197?
CVE-2026-46197 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-46197?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46197, 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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