CVE-2026-97523
CVE CVE-2026-97523EUVD EUVD-2026-86831Published 2026-09-25T10:21:27.000ZLast changed 2026-09-25T14:41:04.000ZCVSS 7.5
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: mptcp: close race between scheduler and state change The mptcp scheduler may race with subflow sockets state change: data transmission on the selected socket may fail and a later release could try to use mss_now reset to 0 for a divide operation. Address the issue by explicitly checking for the critical scenario.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 0; 6.0; c886d70286bf3ad411eb3d689328a67f7102c6ae <8f11430d51ff8365bc51b670bc3002b65ae4c6b7; 8caf5c15b5288d52d9c89374d6c10fa32ee84ec5; c886d70286bf3ad411eb3d689328a67f7102c6ae <4c856f3c151a2f3fa237caa651c44015916ca584; c886d70286bf3ad411eb3d689328a67f7102c6ae <42064de57fb83231fcc89663a94885f228a1ee53; patch: 7.2.7; patch: 6.18.53; patch: 6.12.111; 5.19.4 <5.20; c886d70286bf3ad411eb3d689328a67f7102c6ae <a09c87abf10a0a7e203137c75b5381aa63d9b31d; fb9c73ef2ac2ec816efdc8b9267bc04e1369c20b; patch: 7.3-rc4; 5.15.190 <5.16
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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