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)).
| Source | ID | Title |
|---|---|---|
Ubuntu USN |
USN-8887-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8888-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8889-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-8887-2 | Linux kernel (AWS) vulnerabilities |
Ubuntu USN |
USN-8888-2 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8887-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8917-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8918-1 | Linux kernel (Azure) vulnerabilities |
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Fri, 16 Oct 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 14 Aug 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
threat_severity
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Thu, 13 Aug 2026 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
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Thu, 13 Aug 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-476 |
Thu, 13 Aug 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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)). | |
| Title | KVM: s390: pci: Fix handling of AIF enable without AISB | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
|
Projects
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-10-16T15:53:14.564Z
Reserved: 2026-07-30T09:28:09.395Z
Link: CVE-2026-68454
Updated: 2026-10-16T15:49:23.795Z
Status : Received
Published: 2026-08-13T15:19:58.210
Modified: 2026-10-16T16:19:59.220
Link: CVE-2026-68454
OpenCVE Enrichment
Updated: 2026-08-14T01:30:04Z
Ubuntu USN