CVE-2026-80684
KVM: s390: pci: Fix NULL dereference on AIBV allocation failure
CVE-2026-80684 is fixed in 49 products on 1 platform, first by DEBIAN-CVE-2026-80684, released August 29, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
9.3
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0014
3rd percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.12 · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| bpftool6.18 · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| bpftool6.18-debuginfo · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.90.1.150700.17.51.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-livepatch-6.12.103-127.188 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel-livepatch-6.18.44-99.149 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel-livepatch-SLE15-SP7_Update_24 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel6.12 · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-devel · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-headers · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-tools · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| kernel6.18 · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-debuginfo · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-debuginfo-common-aarch64 · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-debuginfo-common-x86_64 · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-devel · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-headers · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-modules-extra · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-modules-extra-common · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-tools · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-tools-debuginfo · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| kernel6.18-tools-devel · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| linux · Debian 12.15 (bookworm) | 6.1.187-1 | DEBIAN-CVE-2026-80684 | Aug 29, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.105-1 | DEBIAN-CVE-2026-80684 | Aug 29, 2026 |
| linux · Debian 14 | 7.1.8-1 | DEBIAN-CVE-2026-80684 | Aug 29, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.107-1~deb12u1 | DEBIAN-CVE-2026-80684 | Aug 29, 2026 |
| microvm-kernel6.18 · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| perf6.12 · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| perf6.18 · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| perf6.18-debuginfo · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| python3-perf6.12 · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.103-127.188.amzn2023 | ALAS2023-2026-2110 | Aug 31, 2026 |
| python3-perf6.18 · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
| python3-perf6.18-debuginfo · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | Aug 31, 2026 |
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