CVE-2026-80684
KVM: s390: pci: Fix NULL dereference on AIBV allocation failure
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airq_iv_create() can return NULL on failure, but the return value was never checked. If it fails, zdev->aibv will be NULL and fail when dereferenced in kvm_zpci_set_airq(). Add a NULL check and free the previously allocated AISB bit and zdev->aisb on failure.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 28, 2026 |
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Affected Versions
Linux / Linux
3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < 96099486b63985801c9c6ef22505e9aa635b2d20 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < 0a95abe964400771ad82b027d7b84a0d183cd0db 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < df947d85e164a50a29d43a96e814f69ab1d0f7ed 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < e137d082325bbcae780087b57501d38585e625d9 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < d1a103dc9016c25e7423ce5841a5cc2df76d59f3 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc < 8bf09b9b7d3232806df95f409581f8a9fd99a3fa
Linux / Linux
6.0
References
git.kernel.org: https://git.kernel.org/stable/c/96099486b63985801c9c6ef22505e9aa635b2d20 git.kernel.org: https://git.kernel.org/stable/c/0a95abe964400771ad82b027d7b84a0d183cd0db git.kernel.org: https://git.kernel.org/stable/c/df947d85e164a50a29d43a96e814f69ab1d0f7ed git.kernel.org: https://git.kernel.org/stable/c/e137d082325bbcae780087b57501d38585e625d9 git.kernel.org: https://git.kernel.org/stable/c/d1a103dc9016c25e7423ce5841a5cc2df76d59f3 git.kernel.org: https://git.kernel.org/stable/c/8bf09b9b7d3232806df95f409581f8a9fd99a3fa