iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED
CVE-2025-71122 is fixed in 23 products on 1 platform, first by DEBIAN-CVE-2025-71122, released January 14, 2026. It is not reported as exploited. Patch Radar priority: High.
In the Linux kernel, the following vulnerability has been resolved: iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED syzkaller found it could overflow math in the test infrastructure and cause a WARN_ON by corrupting the reserved interval tree. This only effects test kernels with CONFIG_IOMMUFD_TEST. Validate the user input length in the test ioctl.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.12 · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel-livepatch-6.12.64-87.122 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12 · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-devel · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-headers · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-libbpf · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-libbpf-debuginfo · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-libbpf-devel · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-libbpf-static · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-tools · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.69-1 | DEBIAN-CVE-2025-71122 | Jan 14, 2026 |
| linux · Debian 14 | 6.18.3-1 | DEBIAN-CVE-2025-71122 | Jan 14, 2026 |
| perf6.12 · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| python3-perf6.12 · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.64-87.122.amzn2023 | ALAS2023-2026-1423 | Feb 5, 2026 |
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