Riskcovery

CVE-2026-68454

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

State
Published
Severity
8.8 High
Published
Aug 13, 2026
Updated
Oct 19, 2026
Reserved
Jul 30, 2026

Read the record on cve.org

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)).

Scores

CVSSScoreVectorSource
3.18.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HLinux

Weaknesses

  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
LinuxLinux
  • 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc to before f887df91826e72b570c5e9298e66dd929f09eddeAffected
  • 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc to before 3ef3190e30601b2688bdc64169b938b8d7f42010Affected
  • 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc to before d48b9b096d11e31690c0a4988f65f21b64c01b2aAffected
  • 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc to before df72596278b0e22dac5ef2881e9221a3a2c4ed11Affected
  • 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc to before 124a3769c43713a11a93a821b313e61ad5110cb8Affected
  • 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc to before 3e3aa6da87d30a0064a17b836685cd43c90a3572Affected
LinuxLinux
  • 6.0Affected
  • before 6.0Not affected
  • 6.1.178 through 6.1.*Not affected
  • 6.6.145 through 6.6.*Not affected
  • 6.12.97 through 6.12.*Not affected
  • 6.18.40 through 6.18.*Not affected
  • 7.1.5 through 7.1.*Not affected
  • 7.2 and laterNot affected

References

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