CVE-2026-68454
8.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < f887df91826e72b570c5e9298e66dd929f09edde | affected |
| Linux | Linux | 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < 3ef3190e30601b2688bdc64169b938b8d7f42010 | affected |
| Linux | Linux | 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < d48b9b096d11e31690c0a4988f65f21b64c01b2a | affected |
| Linux | Linux | 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < df72596278b0e22dac5ef2881e9221a3a2c4ed11 | affected |
| Linux | Linux | 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < 124a3769c43713a11a93a821b313e61ad5110cb8 | affected |
| Linux | Linux | 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < 3e3aa6da87d30a0064a17b836685cd43c90a3572 | affected |
| Linux | Linux | 6.0 | affected |
| Linux | Linux | 0 < 6.0 | unaffected |
| Linux | Linux | 6.1.178 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.145 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.97 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.40 <= 6.18.* | unaffected |
| Linux | Linux | 7.1.5 <= 7.1.* | unaffected |
| Linux | Linux | 7.2-rc4 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/f887df91826e72b570c5e9298e66dd929f09edde
- 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/124a3769c43713a11a93a821b313e61ad5110cb8
- https://git.kernel.org/stable/c/3e3aa6da87d30a0064a17b836685cd43c90a3572
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