Vulnerability 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)).
CVSS Score
HIGH
References
- https://git.kernel.org/stable/c/124a3769c43713a11a93a821b313e61ad5110cb8
- https://git.kernel.org/stable/c/3e3aa6da87d30a0064a17b836685cd43c90a3572
- 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/f887df91826e72b570c5e9298e66dd929f09edde
FAQ
What is CVE-2026-68454?
CVE-2026-68454 is a vulnerability with a CVSS score of 8.8 (HIGH). 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, ensur...
How severe is CVE-2026-68454?
CVE-2026-68454 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-68454?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.