{"id":"CVE-2025-71148","title":"net/handshake: restore destructor on submit failure","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/handshake: restore destructor on submit failure\n\nhandshake_req_submit() replaces sk->sk_destruct but never restores it when\nsubmission fails before the request is h…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 3b3009ea8abb713b022d94fba95ec270cf6e7eae < cd8cf2be3717137554744233fda051ffc09d1d44","Linux >= 3b3009ea8abb713b022d94fba95ec270cf6e7eae < 7b82a1d6ae869533d8bdb0282a3a78faed8e63dd","Linux >= 3b3009ea8abb713b022d94fba95ec270cf6e7eae < b225325be7b247c7268e65eea6090db1fc786d1f","Linux >= 3b3009ea8abb713b022d94fba95ec270cf6e7eae < 6af2a01d65f89e73c1cbb9267f8880d83a88cee4","Linux 6.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:14:46.262541Z"},"published":"2026-01-23","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:23:09.640Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71148","references":[{"url":"https://git.kernel.org/stable/c/cd8cf2be3717137554744233fda051ffc09d1d44"},{"url":"https://git.kernel.org/stable/c/7b82a1d6ae869533d8bdb0282a3a78faed8e63dd"},{"url":"https://git.kernel.org/stable/c/b225325be7b247c7268e65eea6090db1fc786d1f"},{"url":"https://git.kernel.org/stable/c/6af2a01d65f89e73c1cbb9267f8880d83a88cee4"}],"tags":["cve.org"],"epss":0.00132,"epssPercentile":0.02807,"ingestedAt":"2026-11-05T22:38:32.053Z","slug":"CVE-2025-71148","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet/handshake: restore destructor on submit failure\n\nhandshake_req_submit() replaces sk->sk_destruct but never restores it when\nsubmission fails before the request is hashed. handshake_sk_destruct() then\nreturns early and the original destructor never runs, leaking the socket.\nRestore sk_destruct on the error path.\n\n## Affected\n\n- `Linux >= 3b3009ea8abb713b022d94fba95ec270cf6e7eae < cd8cf2be3717137554744233fda051ffc09d1d44`\n- `Linux >= 3b3009ea8abb713b022d94fba95ec270cf6e7eae < 7b82a1d6ae869533d8bdb0282a3a78faed8e63dd`\n- `Linux >= 3b3009ea8abb713b022d94fba95ec270cf6e7eae < b225325be7b247c7268e65eea6090db1fc786d1f`\n- `Linux >= 3b3009ea8abb713b022d94fba95ec270cf6e7eae < 6af2a01d65f89e73c1cbb9267f8880d83a88cee4`\n- `Linux 6.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}