CVE-2026-46137
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Linux Kernel
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-362Race condition
How to fix
Update
- linux linux_kernel5.10.259, 5.15.210, 6.1.176, 6.6.141, 6.12.91, 6.18.30, 7.0.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.10 ≤ v < 5.10.259, 5.11 ≤ v < 5.15.210, 5.16 ≤ v < 6.1.176, 6.2 ≤ v < 6.6.141, 6.7 ≤ v < 6.12.91, 6.13 ≤ v < 6.18.30, 6.19 ≤ v < 7.0.7, 7.1 | 5.10.259, 5.15.210, 6.1.176, 6.6.141, 6.12.91, 6.18.30, 7.0.7 |
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