This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-97523 →
DEBIAN-CVE-2026-97523
In the Linux kernel, the following vulnerability has been resolved: mptcp: close race between scheduler and state change The mptcp scheduler may rac...
Original description
The description as published by the source.
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: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
linux
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.190-1"}]}]
Debian:13
linux
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.111-1"}]}]
Debian:14
linux
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.2.7-1"}]}]
Debian:12
linux-6.12
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.111-1~deb12u1"}]}]
References
- advisory security-tracker.debian.org