CVE-2026-68454
Published: August 14, 2026Last modified: August 14, 2026
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)).
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.182-r0) |
| 25 LTS | linux-lts | Fixed (6.12.103-r0) | |
| Stream | linux-lts | Fixed (6.18.43-r0) |
References
- https://git.kernel.org/stable/c/124a3769c43713a11a93a821b313e61ad5110cb8
- https://git.kernel.org/stable/c/3e3aa6da87d30a0064a17b836685cd43c90a3572
- 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/f887df91826e72b570c5e9298e66dd929f09edde