CVE-2026-74328

HIGHPre-NVD 8.88.8
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-15. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: 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:

iommufd: Destroy the pages content after detaching from dmabuf

Sashiko points out this has gotten out of order, the mutex could still be in use through the dmabuf invalidation callbacks. Don't destroy any of the pages content until the dmabuf is fully detached.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

August 15, 2026

Last Modified

August 17, 2026

Advisory Details (2)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

iommufd: Destroy the pages content after detaching from dmabuf - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f2d70dbd3dcefa8e3c380beff9c31f5f033a4221
generic

iommufd: Destroy the pages content after detaching from dmabuf - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0507fcedbdcc87281ef8639c045fc9980363bbb6

Vendor Advisories for CVE-2026-74328(1)

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

Data Freshness Timeline

(refreshed 30× in last 7d / 30× 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.

  1. 2026-08-21 01:36 UTCEG score recompute
  2. 2026-08-21 01:36 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 12:37 UTCGHSA enrichment
  5. 2026-08-19 23:39 UTCEG score recompute
  6. 2026-08-19 23:39 UTCGHSA enrichment
  7. 2026-08-19 17:04 UTCEPSS rescore
  8. 2026-08-19 10:38 UTCGHSA enrichment
  9. 2026-08-18 21:37 UTCEG score recompute
  10. 2026-08-18 21:37 UTCGHSA enrichment
  11. 2026-08-18 13:49 UTCEPSS rescore
  12. 2026-08-18 13:49 UTCEPSS rescore
  13. 2026-08-18 08:25 UTCGHSA enrichment
  14. 2026-08-17 19:25 UTCEG score recompute
  15. 2026-08-17 19:25 UTCGHSA enrichment
  16. 2026-08-17 13:47 UTCEPSS rescore
  17. 2026-08-17 06:27 UTCEG score recompute
  18. 2026-08-17 06:27 UTCGHSA enrichment
  19. 2026-08-17 05:56 UTCEG score recompute 8.80
  20. 2026-08-17 05:56 UTCGHSA enrichment
  21. 2026-08-17 05:54 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  22. 2026-08-17 05:27 UTCEG score recompute
  23. 2026-08-17 05:27 UTCGHSA enrichment
  24. 2026-08-17 05:25 UTCMITRE cvelistV5
  25. 2026-08-16 14:56 UTCEPSS rescore
Show 5 more
  1. 2026-08-16 14:56 UTCEPSS rescore
  2. 2026-08-16 02:15 UTCEPSS rescore
  3. 2026-08-15 06:23 UTCNVD update
  4. 2026-08-15 06:15 UTCEG score recompute
  5. 2026-08-15 06:12 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-74328?
CVE-2026-74328 is a high vulnerability published on August 15, 2026. In the Linux kernel, the following vulnerability has been resolved: iommufd: Destroy the pages content after detaching from dmabuf Sashiko points out this has gotten out of order, the mutex could still be in use through the dmabuf invalidation callbacks. Don't destroy any of the pages content until…
When was CVE-2026-74328 disclosed?
CVE-2026-74328 was first published in the National Vulnerability Database on August 15, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-74328 actively exploited?
CVE-2026-74328 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-2026-74328?
CVE-2026-74328 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-74328?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-74328, 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

Explore the affected products and dependency analysis for CVE-2026-74328

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