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CVE-2026-68454

KVM: s390: pci: Fix handling of AIF enable without AISB PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before f887df91826e72b570c5e9298e66dd929f09edde; affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before 3ef3190e30601b2688bdc64169b938b8d7f42010; affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before d48b9b096d11e31690c0a4988f65f21b64c01b2a; affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before df72596278b0e22dac5ef2881e9221a3a2c4ed11; affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before 124a3769c43713a11a93a821b313e61ad5110cb8; affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before 3e3aa6da87d30a0064a17b836685cd43c90a3572
Linux / Linuxaffected 6.0; unaffected 0 before 6.0; unaffected 6.1.178 through 6.1.*; unaffected 6.6.145 through 6.6.*; unaffected 6.12.97 through 6.12.*; unaffected 6.18.40 through 6.18.*; unaffected 7.1.5 through 7.1.*; unaffected 7.2 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.