CVE-2026-68454
High
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)).
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux
PublishedAug 13, 2026
First seenAug 13, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- Linux Linuxf887df91826e72b570c5e9298e66dd929f09edde, 3ef3190e30601b2688bdc64169b938b8d7f42010, d48b9b096d11e31690c0a4988f65f21b64c01b2a, df72596278b0e22dac5ef2881e9221a3a2c4ed11, 124a3769c43713a11a93a821b313e61ad5110cb8, 3e3aa6da87d30a0064a17b836685cd43c90a3572 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc ≤ v < f887df91826e72b570c5e9298e66dd929f09edde, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc ≤ v < 3ef3190e30601b2688bdc64169b938b8d7f42010, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc ≤ v < d48b9b096d11e31690c0a4988f65f21b64c01b2a, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc ≤ v < df72596278b0e22dac5ef2881e9221a3a2c4ed11, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc ≤ v < 124a3769c43713a11a93a821b313e61ad5110cb8, 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc ≤ v < 3e3aa6da87d30a0064a17b836685cd43c90a3572, 6.0 | f887df91826e72b570c5e9298e66dd929f09edde, 3ef3190e30601b2688bdc64169b938b8d7f42010, d48b9b096d11e31690c0a4988f65f21b64c01b2a, df72596278b0e22dac5ef2881e9221a3a2c4ed11, 124a3769c43713a11a93a821b313e61ad5110cb8, 3e3aa6da87d30a0064a17b836685cd43c90a3572 |
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