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Vulnerabilities CVE-2026-46137

CVE-2026-46137

Critical
Open
TLP:CLEAR

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

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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.

Details

CVSS Score
9.8
EPSS Score
0.43%

35.3th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
May 28, 2026
Last Modified
Aug 5, 2026
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