CVE-2026-68454

Summary

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)).

Affected Software

VendorProductVersion RangeStatus
LinuxLinux3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < f887df91826e72b570c5e9298e66dd929f09eddeaffected
LinuxLinux3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < 3ef3190e30601b2688bdc64169b938b8d7f42010affected
LinuxLinux3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < d48b9b096d11e31690c0a4988f65f21b64c01b2aaffected
LinuxLinux3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < df72596278b0e22dac5ef2881e9221a3a2c4ed11affected
LinuxLinux3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < 124a3769c43713a11a93a821b313e61ad5110cb8affected
LinuxLinux3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < 3e3aa6da87d30a0064a17b836685cd43c90a3572affected
LinuxLinux6.0affected
LinuxLinux0 < 6.0unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.97 <= 6.12.*unaffected
LinuxLinux6.18.40 <= 6.18.*unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2-rc4 <= *unaffected

Weaknesses

References