High severity8.8NVD Advisory· Published Aug 13, 2026· Updated Oct 19, 2026
CVE-2026-68454
CVE-2026-68454
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)).
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Affected products
2Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/124a3769c43713a11a93a821b313e61ad5110cb8nvd
- git.kernel.org/stable/c/3e3aa6da87d30a0064a17b836685cd43c90a3572nvd
- git.kernel.org/stable/c/3ef3190e30601b2688bdc64169b938b8d7f42010nvd
- git.kernel.org/stable/c/d48b9b096d11e31690c0a4988f65f21b64c01b2anvd
- git.kernel.org/stable/c/df72596278b0e22dac5ef2881e9221a3a2c4ed11nvd
- git.kernel.org/stable/c/f887df91826e72b570c5e9298e66dd929f09eddenvd
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