CVE-2026-23280

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-03-25. 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:

accel/amdxdna: Prevent ubuf size overflow

The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption.

Use check_add_overflow() helpers to validate the size calculation before allocation.

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

March 25, 2026

Last Modified

August 5, 2026

Advisory Details (3)

Auto-updated Jun 10, 2026
No patch confirmed yet.
generic

accel/amdxdna: Prevent ubuf size overflow - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/972bf4a23478fcb247b4f507d47a584bc8aea5bd
generic

accel/amdxdna: Prevent ubuf size overflow - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1500b31db94374a6669e73ce94d6f71cf8e85e06
generic

accel/amdxdna: Prevent ubuf size overflow - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
linuxKernel @ 6.18.17—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

(1 across 1 ecosystem)
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 6.19~rc8-1~exp1 (120 versions)6.19.8-1—

Data Freshness Timeline

(refreshed 4× in last 7d / 23× 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 207 total refreshes for this CVE.

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

Related CVEs(same product)

Frequently asked(5)

What is CVE-2026-23280?
CVE-2026-23280 is a high vulnerability published on March 25, 2026. In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Prevent ubuf size overflow The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption. Use checkaddoverflow() helpers to validate the size calculation before…
When was CVE-2026-23280 disclosed?
CVE-2026-23280 was first published in the National Vulnerability Database on March 25, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-23280 actively exploited?
CVE-2026-23280 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 97.3% of all scored CVEs.
What is the CVSS score of CVE-2026-23280?
CVE-2026-23280 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-23280?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-23280, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-23280

Explore →

Is Your Infrastructure Affected by CVE-2026-23280?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs