CVE-2026-68454KVM: s390: pci: Fix handling of AIF enable without AISB
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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)).
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before f887df91826e72b570c5e9298e66dd929f09edde; from 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before 3ef3190e30601b2688bdc64169b938b8d7f42010; from 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before d48b9b096d11e31690c0a4988f65f21b64c01b2a; from 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before df72596278b0e22dac5ef2881e9221a3a2c4ed11; from 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before 124a3769c43713a11a93a821b313e61ad5110cb8; from 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc before 3e3aa6da87d30a0064a17b836685cd43c90a3572 | CNA record |
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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.