linux: In the Linux kernel, the following vulnerability has been resolved: iomap: add a separate bio_set for iomap_split_io...
CVE-2026-80720 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2026-80720, released August 29, 2026. It is not reported as exploited. Patch Radar priority: High.
In the Linux kernel, the following vulnerability has been resolved: iomap: add a separate bio_set for iomap_split_ioend iomap_split_ioend can split bios that already come from iomap_ioend_bioset and thus deadlock when the bioset is exhausted. Add a separate bio_set to avoid this deadlock. Christian Brauner <brauner@kernel.org> says: Mark iomap_ioend_split_bioset static as it is only used in ioend.c, fixing the sparse warning reported by the kernel test robot.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| 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-livepatch-6.18.44-99.149 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-2106 | 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 14 | 7.1.8-1 | DEBIAN-CVE-2026-80720 | Aug 29, 2026 |
| microvm-kernel6.18 · amzn 2023 | 1:6.18.44-99.149.amzn2023 | ALAS2023-2026-2106 | 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-perf6.18 · 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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