CVE-2026-68454

HIGHPre-NVD 8.88.8
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-13. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 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:

KVM: s390: pci: Fix handling of AIF enable without AISB

When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of virt_to_phys(page_address(NULL)).

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
3%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 17, 2026

Advisory Details (6)

Auto-updated Aug 14, 2026
No patch confirmed yet.
generic

KVM: s390: pci: Fix handling of AIF enable without AISB - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f887df91826e72b570c5e9298e66dd929f09edde
generic

KVM: s390: pci: Fix handling of AIF enable without AISB - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/df72596278b0e22dac5ef2881e9221a3a2c4ed11
generic

KVM: s390: pci: Fix handling of AIF enable without AISB - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d48b9b096d11e31690c0a4988f65f21b64c01b2a
generic

KVM: s390: pci: Fix handling of AIF enable without AISB - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3ef3190e30601b2688bdc64169b938b8d7f42010
generic

KVM: s390: pci: Fix handling of AIF enable without AISB - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3e3aa6da87d30a0064a17b836685cd43c90a3572
generic

KVM: s390: pci: Fix handling of AIF enable without AISB - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/124a3769c43713a11a93a821b313e61ad5110cb8

Vendor Advisories for CVE-2026-68454(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 32× in last 7d / 35× 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. 2026-08-20 12:24 UTCGHSA enrichment
  2. 2026-08-19 23:30 UTCEG score recompute
  3. 2026-08-19 23:30 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 10:34 UTCGHSA enrichment
  6. 2026-08-18 21:38 UTCEG score recompute
  7. 2026-08-18 21:38 UTCGHSA enrichment
  8. 2026-08-18 13:49 UTCEPSS rescore
  9. 2026-08-18 13:49 UTCEPSS rescore
  10. 2026-08-18 08:22 UTCGHSA enrichment
  11. 2026-08-17 19:25 UTCEG score recompute
  12. 2026-08-17 19:25 UTCGHSA enrichment
  13. 2026-08-17 13:47 UTCEPSS rescore
  14. 2026-08-17 06:30 UTCGHSA enrichment
  15. 2026-08-17 05:24 UTCGHSA enrichment
  16. 2026-08-16 16:21 UTCEG score recompute
  17. 2026-08-16 16:21 UTCGHSA enrichment
  18. 2026-08-16 14:56 UTCEPSS rescore
  19. 2026-08-16 14:56 UTCEPSS rescore
  20. 2026-08-16 03:25 UTCEG score recompute
  21. 2026-08-16 03:25 UTCGHSA enrichment
  22. 2026-08-15 14:30 UTCGHSA enrichment
  23. 2026-08-15 01:35 UTCEG score recompute
  24. 2026-08-15 01:35 UTCGHSA enrichment
  25. 2026-08-15 01:30 UTCEPSS rescore
Show 10 more
  1. 2026-08-14 12:41 UTCEG score recompute
  2. 2026-08-14 12:41 UTCGHSA enrichment
  3. 2026-08-13 23:46 UTCEG score recompute
  4. 2026-08-13 23:46 UTCGHSA enrichment
  5. 2026-08-13 23:03 UTCEG score recompute 8.80
  6. 2026-08-13 23:03 UTCGHSA enrichment
  7. 2026-08-13 23:03 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  8. 2026-08-13 15:22 UTCNVD update
  9. 2026-08-13 14:22 UTCEG score recompute
  10. 2026-08-13 14:21 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-68454?
CVE-2026-68454 is a high vulnerability published on August 13, 2026. In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of…
When was CVE-2026-68454 disclosed?
CVE-2026-68454 was first published in the National Vulnerability Database on August 13, 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-2026-68454 actively exploited?
CVE-2026-68454 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 97.0% of all scored CVEs.
What is the CVSS score of CVE-2026-68454?
CVE-2026-68454 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-68454?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-68454, 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-2026-68454

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