CVE-2025-40216
linux: In the Linux kernel, the following vulnerability has been resolved: io_uring/rsrc: don't rely on user vaddr alignmen...
CVE-2025-40216 is fixed in 38 products on 1 platform, first by ALAS2023-2025-1130, released July 29, 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
0.0015
4th percentile
In the Linux kernel, the following vulnerability has been resolved: io_uring/rsrc: don't rely on user vaddr alignment There is no guaranteed alignment for user pointers, however the calculation of an offset of the first page into a folio after coalescing uses some weird bit mask logic, get rid of it.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.12 · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.37.1 | SUSE-SU-2026:23231-1 | Aug 11, 2026 |
| kernel-azure · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-azure · sles 16.0 | 6.12.0-160000.37.1 | SUSE-SU-2026:23231-1 | Aug 11, 2026 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-default · sles 16.0 | 6.12.0-160000.37.1 | SUSE-SU-2026:23237-1 | Aug 11, 2026 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.37.1.160000.2.19 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.66.1.150700.17.39.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.37.1.160000.2.19 | SUSE-SU-2026:23231-1 | Aug 11, 2026 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.66.2 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-docs · sles 16.0 | 6.12.0-160000.37.1 | SUSE-SU-2026:23231-1 | Aug 11, 2026 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.37.1 | SUSE-SU-2026:23231-1 | Aug 11, 2026 |
| kernel-livepatch-6.12.37-61.105 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel-livepatch-SLE15-SP7-RT_Update_17 · sles 15.7 | 1-150700.1.3.1 | SUSE-SU-2026:2799-1 | Jul 8, 2026 |
| kernel-livepatch-SLE15-SP7_Update_18 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.37.1 | SUSE-SU-2026:23231-1 | Aug 11, 2026 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-source · sles 16.0 | 6.12.0-160000.37.1 | SUSE-SU-2026:23231-1 | Aug 11, 2026 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-syms · sles 16.0 | 6.12.0-160000.37.1 | SUSE-SU-2026:23231-1 | Aug 11, 2026 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.37.1 | OPENSUSE-SU-2026:21555-1 | Aug 12, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.37.1 | SUSE-SU-2026:23231-1 | Aug 11, 2026 |
| kernel6.12 · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-devel · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-headers · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-libbpf · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-libbpf-debuginfo · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-libbpf-devel · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-libbpf-static · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-tools · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| linux · Debian 13.5 (trixie) | 6.12.37-1 | DEBIAN-CVE-2025-40216 | Dec 4, 2025 |
| linux · Debian 14 | 6.12.37-1 | DEBIAN-CVE-2025-40216 | Dec 4, 2025 |
| perf6.12 · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| python3-perf6.12 · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.37-61.105.amzn2023 | ALAS2023-2025-1130 | Jul 29, 2025 |
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