CVE-2025-40364
linux: In the Linux kernel, the following vulnerability has been resolved: io_uring: fix io_req_prep_async with provided bu...
CVE-2025-40364 is fixed in 34 products on 1 platform, first by ALAS2023-2025-876, released February 26, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0028
21st percentile
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix io_req_prep_async with provided buffers io_req_prep_async() can import provided buffers, commit the ring state by giving up on that before, it'll be reimported later if needed.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| bpftool-debuginfo · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.7.1 | SUSE-SU-2025:21147-1 | Nov 26, 2025 |
| kernel-debuginfo · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-debuginfo-common-aarch64 · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-debuginfo-common-x86_64 · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-default · sles 16.0 | 6.12.0-160000.7.1 | SUSE-SU-2025:21147-1 | Nov 26, 2025 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.6.1.160000.2.4 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.6.1.160000.2.4 | SUSE-SU-2025:21147-1 | Nov 26, 2025 |
| kernel-devel · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-docs · sles 16.0 | 6.12.0-160000.7.1 | SUSE-SU-2025:21147-1 | Nov 26, 2025 |
| kernel-headers · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.7.1 | SUSE-SU-2025:21147-1 | Nov 26, 2025 |
| kernel-libbpf · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-libbpf-devel · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-libbpf-static · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-livepatch-6.1.129-138.220 · amzn 2023 | 1.0-0.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-modules-extra · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-modules-extra-common · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.7.1 | SUSE-SU-2025:21147-1 | Nov 26, 2025 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-source · sles 16.0 | 6.12.0-160000.7.1 | SUSE-SU-2025:21147-1 | Nov 26, 2025 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-syms · sles 16.0 | 6.12.0-160000.7.1 | SUSE-SU-2025:21147-1 | Nov 26, 2025 |
| kernel-tools · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-tools-debuginfo · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-tools-devel · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.7.1 | OPENSUSE-SU-2025:20091-1 | Nov 26, 2025 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.7.1 | SUSE-SU-2025:21147-1 | Nov 26, 2025 |
| linux · Debian 12.15 (bookworm) | 6.1.129-1 | DEBIAN-CVE-2025-40364 | Apr 18, 2025 |
| linux · Debian 13.5 (trixie) | 6.12.15-1 | DEBIAN-CVE-2025-40364 | Apr 18, 2025 |
| linux · Debian 14 | 6.12.15-1 | DEBIAN-CVE-2025-40364 | Apr 18, 2025 |
| perf · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| perf-debuginfo · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| python3-perf · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
| python3-perf-debuginfo · amzn 2023 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 | Feb 26, 2025 |
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