KVM: s390: pci: Fix handling of AIF enable without AISB
Summary
| CVE | CVE-2026-68454 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-13 15:19:58 UTC |
| Updated | 2026-08-13 23:17:38 UTC |
| 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)). |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 8.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 8.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
ChangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc f887df91826e72b570c5e9298e66dd929f09edde git | Not specified |
| CNA | Linux | Linux | affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc 3ef3190e30601b2688bdc64169b938b8d7f42010 git | Not specified |
| CNA | Linux | Linux | affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc d48b9b096d11e31690c0a4988f65f21b64c01b2a git | Not specified |
| CNA | Linux | Linux | affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc df72596278b0e22dac5ef2881e9221a3a2c4ed11 git | Not specified |
| CNA | Linux | Linux | affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc 124a3769c43713a11a93a821b313e61ad5110cb8 git | Not specified |
| CNA | Linux | Linux | affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc 3e3aa6da87d30a0064a17b836685cd43c90a3572 git | Not specified |
| CNA | Linux | Linux | affected 6.0 | Not specified |
| CNA | Linux | Linux | unaffected 6.0 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.178 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.145 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.97 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.40 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1.5 7.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2-rc4 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/124a3769c43713a11a93a821b313e61ad5110cb8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/3e3aa6da87d30a0064a17b836685cd43c90a3572 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/df72596278b0e22dac5ef2881e9221a3a2c4ed11 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/f887df91826e72b570c5e9298e66dd929f09edde | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/d48b9b096d11e31690c0a4988f65f21b64c01b2a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/3ef3190e30601b2688bdc64169b938b8d7f42010 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.