CVE-2026-97523mptcp: close race between scheduler and state change
Updated under an hour ago ()
Does this affect you?
It affects Linux. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from fb9c73ef2ac2ec816efdc8b9267bc04e1369c20b before d74b2e26b54a7dae1d87c1f19ae0d6db500e5e03; from c886d70286bf3ad411eb3d689328a67f7102c6ae before 5883ae880f51edc4b1484e787473b865b6159ead; from c886d70286bf3ad411eb3d689328a67f7102c6ae before 0a926b5df8efdfbac07e2fb7fafb21849a2ad9c0; from c886d70286bf3ad411eb3d689328a67f7102c6ae before 8f11430d51ff8365bc51b670bc3002b65ae4c6b7; from c886d70286bf3ad411eb3d689328a67f7102c6ae before a09c87abf10a0a7e203137c75b5381aa63d9b31d; from c886d70286bf3ad411eb3d689328a67f7102c6ae before 4c856f3c151a2f3fa237caa651c44015916ca584; from c886d70286bf3ad411eb3d689328a67f7102c6ae before 42064de57fb83231fcc89663a94885f228a1ee53; 8caf5c15b5288d52d9c89374d6c10fa32ee84ec5; and 2 more ranges | CNA record |
References
- https://git.kernel.org/stable/c/d74b2e26b54a7dae1d87c1f19ae0d6db500e5e03
- https://git.kernel.org/stable/c/5883ae880f51edc4b1484e787473b865b6159ead
- https://git.kernel.org/stable/c/0a926b5df8efdfbac07e2fb7fafb21849a2ad9c0
- https://git.kernel.org/stable/c/8f11430d51ff8365bc51b670bc3002b65ae4c6b7
- https://git.kernel.org/stable/c/a09c87abf10a0a7e203137c75b5381aa63d9b31d
- https://git.kernel.org/stable/c/4c856f3c151a2f3fa237caa651c44015916ca584
- https://git.kernel.org/stable/c/42064de57fb83231fcc89663a94885f228a1ee53
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.