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8.8
CVE-2026-68454EXPLOITEDPATCHED
linux · linux kernel

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

Description

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)).

Affected Products

VendorProductVersions
linuxlinux kernel3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc, 6.0

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
open sourceopen source linux kernelcert_advisory90%

References

  • https://git.kernel.org/stable/c/f887df91826e72b570c5e9298e66dd929f09edde
  • https://git.kernel.org/stable/c/3ef3190e30601b2688bdc64169b938b8d7f42010
  • https://git.kernel.org/stable/c/d48b9b096d11e31690c0a4988f65f21b64c01b2a
  • https://git.kernel.org/stable/c/df72596278b0e22dac5ef2881e9221a3a2c4ed11
  • https://git.kernel.org/stable/c/124a3769c43713a11a93a821b313e61ad5110cb8
  • https://git.kernel.org/stable/c/3e3aa6da87d30a0064a17b836685cd43c90a3572

Related News (6 articles)

Tier B
CERT-FR17h ago
Multiples vulnérabilités dans le noyau Linux d'Ubuntu (16 octobre 2026)
→ No new info (linked only)
Tier B
CERT-FR17h ago
Multiples vulnérabilités dans le noyau Linux de SUSE (16 octobre 2026)
→ No new info (linked only)
Tier B
CERT-FR7d ago
Multiples vulnérabilités dans le noyau Linux d'Ubuntu (09 octobre 2026)
→ No new info (linked only)
Tier B
BSI Advisories63d ago
[NEU] [mittel] Linux Kernel: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB64d ago
CVE-2026-68454 | Linux Kernel up to 7.2-rc3 PCI memory corruption
→ No new info (linked only)
Tier C
Linux Kernel CVEs64d ago
CVE-2026-68454: KVM: s390: pci: Fix handling of AIF enable without AISB
→ No new info (linked only)

Discussion (0)

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CVSS 3.18.8 HIGH
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
f887df91826e72b570c5e9298e66dd929f09edde3ef3190e30601b2688bdc64169b938b8d7f42010d48b9b096d11e31690c0a4988f65f21b64c01b2adf72596278b0e22dac5ef2881e9221a3a2c4ed11124a3769c43713a11a93a821b313e61ad5110cb83e3aa6da87d30a0064a17b836685cd43c90a357206.1.1786.6.1456.12.976.18.407.1.57.2-rc4
PublishedAug 13, 2026
Trending Score61
Source articles6
Independent4
Info Completeness0/14
Missing: cve_id, title, description, vendor, product, versions, cvss, epss, cwe, kev, exploit, patch, iocs, mitre_attack

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Aug 13, 2026
Discovered by ZDM
Aug 13, 2026
Actively Exploited
Oct 16, 2026
Exploit Available
Oct 16, 2026
Patch Available
Oct 16, 2026