{"cve":"CVE-2026-46168","nvd":{"published":"2026-05-28T10:16:32.440","modified":"2026-10-15T02:19:47.950","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix scheduling with atomic in timestamp sockopt\n\nUsing lock_sock_fast() (atomic context) around sock_set_timestamp()\nand sock_set_timestamping() is unsafe, as both helpers can sleep.\n\nReplace lock_sock_fast() with sleepable lock_sock()/release_sock()\nto avoid scheduling while atomic panic.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/0949d8bbbedbafe0136a1723c41eb823c2f1e09d","https://git.kernel.org/stable/c/7eb513b42721bee4b96da69f6188d5a7783f210d","https://git.kernel.org/stable/c/8a005fe451c73fd2b3d1faa5643c11e6bd07acfc","https://git.kernel.org/stable/c/b157dab93a7af44a84e78cf0cb311dde475cff5b","https://git.kernel.org/stable/c/b5c52908d52c6c8eb8933264aa6087a0600fd892"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:36:28.938604137+00:00"},"epss":{"cve":"CVE-2026-46168","score":0.00128,"percentile":0.02429,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}