CVE-2026-46137

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.

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-25)

CWE

CWE-362

Published

2026-05-28

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/013dcdc1961543b9a3433466bc8c79a2f4ca75b5
• https://git.kernel.org/stable/c/23079e0b7742ec114d3507c3e3aad01b7b69e4af
• https://git.kernel.org/stable/c/2ad56e434199ca24a812bb353667aa1c3860f513
• https://git.kernel.org/stable/c/5cd6e0ad79d2615264f63929f8b457ad97ae550d
• https://git.kernel.org/stable/c/6e4710d7d8782cb61af29a7e7111ddfc38b9e1a3

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