CVE-2026-97567
mptcp: prevent race between disconnect() and rtx
CVE-2026-97567 is fixed in 39 products on 1 platform, first by DEBIAN-CVE-2026-97567, released October 2, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
4.7
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0021
11th percentile
In the Linux kernel, the following vulnerability has been resolved: mptcp: prevent race between disconnect() and rtx Sashiko noted that the two event can race, leading to inconsistent status. Prevent the race using the synchronous timer stop operation.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.12 · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| bpftool6.18 · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| bpftool6.18-debuginfo · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel-livepatch-6.12.113-138.209 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel-livepatch-6.18.54-121.166 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.12 · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-devel · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-headers · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-tools · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| kernel6.18 · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-debuginfo · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-debuginfo-common-aarch64 · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-debuginfo-common-x86_64 · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-devel · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-headers · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-modules-extra · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-modules-extra-common · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-tools · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-tools-debuginfo · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| kernel6.18-tools-devel · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.113-1 | DEBIAN-CVE-2026-97567 | Oct 2, 2026 |
| linux · Debian 14 | 7.2.7-1 | DEBIAN-CVE-2026-97567 | Oct 2, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.113-1~deb12u1 | DEBIAN-CVE-2026-97567 | Oct 2, 2026 |
| microvm-kernel6.18 · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| perf6.12 · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| perf6.18 · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| perf6.18-debuginfo · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| python3-perf6.12 · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.113-138.209.amzn2023 | ALAS2023-2026-3335 | Nov 7, 2026 |
| python3-perf6.18 · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
| python3-perf6.18-debuginfo · amzn 2023 | 1:6.18.54-121.166.amzn2023 | ALAS2023-2026-3192 | Nov 7, 2026 |
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