{"id":"CVE-2026-46137","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: pm: ADD_ADDR rtx: fix potential data-race\n\nThis mptcp_pm_add_timer() helper is executed as a timer callback in\nsoftirq context","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: pm: ADD_ADDR rtx: fix potential data-race\n\nThis mptcp_pm_add_timer() helper is executed as a timer callback in\nsoftirq context. To avoid any data races, the sock…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-362"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.10, < 5.10.259","linux_kernel >= 5.11, < 5.15.210","linux_kernel >= 5.16, < 6.1.176","linux_kernel >= 6.2, < 6.6.141","linux_kernel >= 6.7, < 6.12.91","linux_kernel >= 6.13, < 6.18.30","linux_kernel >= 6.19, < 7.0.7","linux_kernel = 7.1"],"patched":["linux_kernel 7.0.7"],"published":"2026-05-28","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:19:46.210","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-46137","references":[{"url":"https://git.kernel.org/stable/c/013dcdc1961543b9a3433466bc8c79a2f4ca75b5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/23079e0b7742ec114d3507c3e3aad01b7b69e4af","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2ad56e434199ca24a812bb353667aa1c3860f513","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5cd6e0ad79d2615264f63929f8b457ad97ae550d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6e4710d7d8782cb61af29a7e7111ddfc38b9e1a3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b35605e1f1e877038c8c9d499babbc891cdd234f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cc3c0399361efaaf7ae64262eb3f70829b1189c6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d9b272a85fe6b8f993e37915311e4038c814a533","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-784472.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00426,"epssPercentile":0.35275,"ingestedAt":"2026-10-15T03:30:12.890Z","slug":"CVE-2026-46137","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: pm: ADD_ADDR rtx: fix potential data-race\n\nThis mptcp_pm_add_timer() helper is executed as a timer callback in\nsoftirq context. To avoid any data races, the socket lock needs to be\nheld with bh_lock_sock().\n\nIf the socket is in use, retry again soon after, similar to what is done\nwith the keepalive timer.\n\n## Affected\n\n- `linux_kernel >= 5.10, < 5.10.259`\n- `linux_kernel >= 5.11, < 5.15.210`\n- `linux_kernel >= 5.16, < 6.1.176`\n- `linux_kernel >= 6.2, < 6.6.141`\n- `linux_kernel >= 6.7, < 6.12.91`\n- `linux_kernel >= 6.13, < 6.18.30`\n- `linux_kernel >= 6.19, < 7.0.7`\n- `linux_kernel = 7.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 7.0.7`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}