CVE-2025-40187
net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()
CVE-2025-40187 is fixed in 83 products on 1 platform, first by DEBIAN-CVE-2025-40187, released November 12, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0064
50th percentile
In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce() If new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0 and sctp_ulpevent_make_authkey() returns 0, then the variable ai_ev remains zero and the zero will be dereferenced in the sctp_ulpevent_free() function.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| bpftool · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| bpftool · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| bpftool-debuginfo · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| bpftool6.12 · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| dtb-aarch64 · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-64kb · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.28.1 | SUSE-SU-2026:0315-1 | Jan 28, 2026 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.8.1 | SUSE-SU-2026:20015-1 | Dec 19, 2025 |
| kernel-azure · sles 15.7 | 6.4.0-150700.20.24.1 | SUSE-SU-2026:0281-1 | Jan 23, 2026 |
| kernel-debug · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-debuginfo · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-debuginfo-common-aarch64 · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-debuginfo-common-x86_64 · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-default · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-default · sles 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.28.1 | SUSE-SU-2026:0315-1 | Jan 28, 2026 |
| kernel-default · sles 16.0 | 6.12.0-160000.8.1 | SUSE-SU-2026:20015-1 | Dec 19, 2025 |
| kernel-default-base · opensuse-leap 15.6 | 6.4.0-150600.23.84.1.150600.12.38.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.8.1.160000.2.5 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-default-base · sles 15.6 | 6.4.0-150600.23.84.1.150600.12.38.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.28.1.150700.17.19.1 | SUSE-SU-2026:0315-1 | Jan 28, 2026 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.8.1.160000.2.5 | SUSE-SU-2026:20015-1 | Dec 19, 2025 |
| kernel-devel · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-docs · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-docs · sles 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.28.1 | SUSE-SU-2026:0315-1 | Jan 28, 2026 |
| kernel-docs · sles 16.0 | 6.12.0-160000.8.1 | SUSE-SU-2026:20015-1 | Dec 19, 2025 |
| kernel-headers · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-kvmsmall · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.8.1 | SUSE-SU-2026:20015-1 | Dec 19, 2025 |
| kernel-libbpf · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-libbpf-debuginfo · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-libbpf-devel · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-libbpf-static · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-livepatch-6.1.158-178.288 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-livepatch-6.12.55-74.119 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel-livepatch-SLE15-SP6_Update_19 · sles 15.6 | 1-150600.13.3.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_8 · sles 15.7 | 1-150700.1.3.1 | SUSE-SU-2026:0278-1 | Jan 23, 2026 |
| kernel-livepatch-SLE15-SP7_Update_8 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:0315-1 | Jan 28, 2026 |
| kernel-modules-extra · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-modules-extra-common · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-obs-build · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-obs-build · sles 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.28.1 | SUSE-SU-2026:0315-1 | Jan 28, 2026 |
| kernel-obs-qa · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.8.1 | SUSE-SU-2026:20015-1 | Dec 19, 2025 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-source · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-source · sles 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.28.1 | SUSE-SU-2026:0315-1 | Jan 28, 2026 |
| kernel-source · sles 16.0 | 6.12.0-160000.8.1 | SUSE-SU-2026:20015-1 | Dec 19, 2025 |
| kernel-source-azure · sles 15.7 | 6.4.0-150700.20.24.1 | SUSE-SU-2026:0281-1 | Jan 23, 2026 |
| kernel-syms · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-syms · sles 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.28.1 | SUSE-SU-2026:0315-1 | Jan 28, 2026 |
| kernel-syms · sles 16.0 | 6.12.0-160000.8.1 | SUSE-SU-2026:20015-1 | Dec 19, 2025 |
| kernel-syms-azure · sles 15.7 | 6.4.0-150700.20.24.1 | SUSE-SU-2026:0281-1 | Jan 23, 2026 |
| kernel-tools · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-tools-debuginfo · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-tools-devel · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| kernel-uek · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-container · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-container · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-container-debug · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-container-debug · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-core · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-core · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug-core · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug-core · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug-devel · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug-devel · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug-modules · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug-modules · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug-modules-extra · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-debug-modules-extra · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-devel · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-devel · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-doc · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-doc · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-modules · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-modules · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-modules-extra · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-modules-extra · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek-tools · ol 8 | 0:5.4.17-2136.350.3.1.el7uek | ELSA-2025-28049 | Dec 12, 2025 |
| kernel-uek64k · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek64k · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek64k-core · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek64k-core · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek64k-devel · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek64k-devel · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek64k-modules · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek64k-modules · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek64k-modules-extra · ol 8 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-uek64k-modules-extra · ol 9 | 0:5.15.0-315.196.5.1.el9uek | ELSA-2025-28048 | Dec 12, 2025 |
| kernel-zfcpdump · opensuse-leap 15.6 | 6.4.0-150600.23.84.1 | SUSE-SU-2026:0293-1 | Jan 26, 2026 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.8.1 | OPENSUSE-SU-2025:20172-1 | Dec 19, 2025 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.28.1 | SUSE-SU-2026:0315-1 | Jan 28, 2026 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.8.1 | SUSE-SU-2026:20015-1 | Dec 19, 2025 |
| kernel6.12 · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-devel · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-headers · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-libbpf · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-libbpf-debuginfo · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-libbpf-devel · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-libbpf-static · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-tools · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| linux · Debian 12.15 (bookworm) | 6.1.158-1 | DEBIAN-CVE-2025-40187 | Nov 12, 2025 |
| linux · Debian 13.5 (trixie) | 6.12.57-1 | DEBIAN-CVE-2025-40187 | Nov 12, 2025 |
| linux · Debian 14 | 6.17.6-1 | DEBIAN-CVE-2025-40187 | Nov 12, 2025 |
| perf · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| perf-debuginfo · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| perf6.12 · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| python3-perf · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| python3-perf-debuginfo · amzn 2023 | 1:6.1.158-178.288.amzn2023 | ALAS2023-2025-1297 | Dec 8, 2025 |
| python3-perf6.12 · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.55-74.119.amzn2023 | ALAS2023-2025-1316 | Dec 8, 2025 |
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