CVE-2026-46137

CRITICAL

mptcp: pm: ADD_ADDR rtx: fix potential data-race

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential data-race This mptcp_pm_add_timer() helper is executed as a timer callback in softirq context. To avoid any data races, the socket lock needs to be held with bh_lock_sock(). If the socket is in use, retry again soon after, similar to what is done with the keepalive timer.

Scores

CVSS v3 9.8
EPSS 0.0043
EPSS Percentile 34.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-362
Status published
Products (28)
linux/Kernel 5.10.0 - 5.10.259linux
linux/Kernel 5.11.0 - 5.15.210linux
linux/Kernel 5.16.0 - 6.1.176linux
linux/Kernel 6.13.0 - 6.18.30linux
linux/Kernel 6.19.0 - 7.0.7linux
linux/Kernel 6.2.0 - 6.6.141linux
linux/Kernel 6.7.0 - 6.12.91linux
Linux/Linux < 5.10
Linux/Linux 00cfd77b9063dcdf3628a7087faba60de85a9cc8 - 013dcdc1961543b9a3433466bc8c79a2f4ca75b5
Linux/Linux 00cfd77b9063dcdf3628a7087faba60de85a9cc8 - 23079e0b7742ec114d3507c3e3aad01b7b69e4af
... and 18 more
Published May 28, 2026
Tracked Since May 28, 2026