CVE-2026-80684KVM: s390: pci: Fix NULL dereference on AIBV allocation failure
- 9.3CriticalCVSS base score
- 0.14%Exploitation in 30 daysEPSS · top 96% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
- 2 days later
· 2 days later
Published
- 49 days later
· 49 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | Critical9.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Received | 3.1 | Critical9.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.14% · top 96% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.
Affected products
- affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc – < 96099486b63985801c9c6ef22505e9aa635b2d20
- affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc – < 0a95abe964400771ad82b027d7b84a0d183cd0db
- affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc – < df947d85e164a50a29d43a96e814f69ab1d0f7ed
- affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc – < e137d082325bbcae780087b57501d38585e625d9
- affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc – < d1a103dc9016c25e7423ce5841a5cc2df76d59f3
- affected 3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc – < 8bf09b9b7d3232806df95f409581f8a9fd99a3fa
- affected 6.0
- unaffected < 6.0
- unaffected 6.1.183 – ≤ 6.1.*
- unaffected 6.6.151 – ≤ 6.6.*
- unaffected 6.12.103 – ≤ 6.12.*
- unaffected 6.18.44 – ≤ 6.18.*
- unaffected 7.1.8 – ≤ 7.1.*
- unaffected 7.2 – ≤ *
References
References6
- https://git.kernel.org/stable/c/96099486b63985801c9c6ef22505e9aa635b2d20 (opens in a new tab)
- https://git.kernel.org/stable/c/0a95abe964400771ad82b027d7b84a0d183cd0db (opens in a new tab)
- https://git.kernel.org/stable/c/df947d85e164a50a29d43a96e814f69ab1d0f7ed (opens in a new tab)
- https://git.kernel.org/stable/c/e137d082325bbcae780087b57501d38585e625d9 (opens in a new tab)
- https://git.kernel.org/stable/c/d1a103dc9016c25e7423ce5841a5cc2df76d59f3 (opens in a new tab)
- https://git.kernel.org/stable/c/8bf09b9b7d3232806df95f409581f8a9fd99a3fa (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-67560 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-80684)Record last updated .