{"id":"CVE-2026-98174","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix rlist race and missing initialization\n\nTCP_Server_Info.rlist is allocated via kzalloc which zeros both ->next\nand ->prev to NULL instead of pointing to…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix rlist race and missing initialization\n\nTCP_Server_Info.rlist is allocated via kzalloc which zeros both ->next\nand ->prev to NULL instead of pointing to…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b5f924ffbfa976e4b97f17e8132c595b97482c2d","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5a8f82f9c5839389cf4036029dd75a9911049e83","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 04082b1833856cb9ed87e0d3d5f04cbf836cf7da","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c037d6bde3dd5fa00b017b6b98a5389ec0ebc02f","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5f270f091256da1338c3631083e15d7f83cc05e1","Linux < 6.6.158","Linux < 6.12.112","Linux < 6.18.54","Linux < 7.2.8","Linux (all versions)"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:17:59.220","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98174","references":[{"url":"https://git.kernel.org/stable/c/04082b1833856cb9ed87e0d3d5f04cbf836cf7da","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5a8f82f9c5839389cf4036029dd75a9911049e83","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5f270f091256da1338c3631083e15d7f83cc05e1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b5f924ffbfa976e4b97f17e8132c595b97482c2d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c037d6bde3dd5fa00b017b6b98a5389ec0ebc02f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T08:50:17.453Z","slug":"CVE-2026-98174","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix rlist race and missing initialization\n\nTCP_Server_Info.rlist is allocated via kzalloc which zeros both ->next\nand ->prev to NULL instead of pointing to itself, making list_empty()\nalways return false and list_add() dereference a NULL ->prev pointer.\n\nAlso, cifs_signal_cifsd_for_reconnect() can be called concurrently\nfrom multiple cifsd threads, allowing the same server's rlist node to\nbe added twice into the local list, corrupting it.\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":[]}