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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2025-40285

smb/server: fix possible refcount leak in smb2_sess_setup()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible refcount leak in smb2_sess_setup() Reference count of ksmbd_session will leak when session need reconnect. Fix this by adding the missing ksmbd_user_session_put().

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 37a0e2b362b3150317fb6e2139de67b1e29ae5ff to < 6fc935f798d44a8eb8a5e6659198399fbf57b981affected
  • 450a844c045ff0895d41b05a1cbe8febd1acfcfd to < e671f9bb97805771380c98de944e2ceab6949188affected
  • a39e31e22a535d47b14656a7d6a893c7f6cf758c to < dcc51dfe6ff26b52cac106865a172ac982d78401affected
  • b95629435b84b9ecc0c765995204a4d8a913ed52 to < d37b2c81c83d6c0d5ca582f4fe73c672983f9e0daffected
  • b95629435b84b9ecc0c765995204a4d8a913ed52 to < 379510a815cb2e64eb0a379cb62295d6ade65df0affected
  • 2107ab40629aeabbec369cf34b8cf0f288c3eb1baffected
  • 6.1.121 to < 6.1.159affected
  • 6.6.67 to < 6.6.117affected
  • 6.12.6 to < 6.12.59affected
  • 5.15.176 to < 5.16affected

Linux Linux

Default version status: affected

  • 6.13affected
  • 0 to < 6.13unaffected
  • 6.1.159 to ≤ 6.1.*unaffected
  • 6.6.117 to ≤ 6.6.*unaffected
  • 6.12.59 to ≤ 6.12.*unaffected
  • 6.17.9 to ≤ 6.17.*unaffected
  • 6.18 to ≤ *unaffected

References