{"id":"CVE-2025-39929","title":"smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path\n\nDuring tests of another unrelated patch I was able to trigger this\nerror: Objects remaining on _…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < 5aa69aabcb275a8012265233c7694076ce1d9102","Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < aa4cf7615328eae44f3b4bf5f4fde3fb390c27c6","Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < 3d7c075c878ac844e33c43e506c2fa27ac7e9689","Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < e7b7a93879558e77d950f1ff9a6f3daa385b33df","Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < 922338efaad63cfe30d459dfc59f9d69ff93ded4","Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < 0991418bf98f191d0c320bd25245fcffa1998c7e","Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < daac51c7032036a0ca5f1aa419ad1b0471d1c6e0","Linux 4.16"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-15T21:54:41.432354Z"},"published":"2025-10-04","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:02:33.170Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-39929","references":[{"url":"https://git.kernel.org/stable/c/5aa69aabcb275a8012265233c7694076ce1d9102"},{"url":"https://git.kernel.org/stable/c/aa4cf7615328eae44f3b4bf5f4fde3fb390c27c6"},{"url":"https://git.kernel.org/stable/c/3d7c075c878ac844e33c43e506c2fa27ac7e9689"},{"url":"https://git.kernel.org/stable/c/e7b7a93879558e77d950f1ff9a6f3daa385b33df"},{"url":"https://git.kernel.org/stable/c/922338efaad63cfe30d459dfc59f9d69ff93ded4"},{"url":"https://git.kernel.org/stable/c/0991418bf98f191d0c320bd25245fcffa1998c7e"},{"url":"https://git.kernel.org/stable/c/daac51c7032036a0ca5f1aa419ad1b0471d1c6e0"}],"tags":["cve.org"],"epss":0.00314,"epssPercentile":0.24122,"ingestedAt":"2026-10-15T05:52:46.075Z","slug":"CVE-2025-39929","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path\n\nDuring tests of another unrelated patch I was able to trigger this\nerror: Objects remaining on __kmem_cache_shutdown()\n\n## Affected\n\n- `Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < 5aa69aabcb275a8012265233c7694076ce1d9102`\n- `Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < aa4cf7615328eae44f3b4bf5f4fde3fb390c27c6`\n- `Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < 3d7c075c878ac844e33c43e506c2fa27ac7e9689`\n- `Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < e7b7a93879558e77d950f1ff9a6f3daa385b33df`\n- `Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < 922338efaad63cfe30d459dfc59f9d69ff93ded4`\n- `Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < 0991418bf98f191d0c320bd25245fcffa1998c7e`\n- `Linux >= f198186aa9bbd60fae7a2061f4feec614d880299 < daac51c7032036a0ca5f1aa419ad1b0471d1c6e0`\n- `Linux 4.16`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}