CVE-2026-97523EPSS p50.3%
CVE-2026-97523CVE-2026-97523
Description
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.
Scoring
| CVSS | 7.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 0.67% probability of exploitation · percentile 50.3% · 2026-10-05T12:00:23Z |
| Last modified | 2026-10-03 |