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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2023-54280

cifs: fix potential race when tree connecting ipc

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCP_Server_Info::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in __tree_connect_dfs_target(). Also, while at it, update status of IPC tcon on success and then avoid any extra tree connects.

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

  • c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e to < 536ec71ba060a02fabe8e22cecb82fe7b3a8708baffected
  • c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e to < 553476df55a111e6a66ad9155256aec0ec1b7ad0affected
  • c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e to < ee20d7c6100752eaf2409d783f4f1449c29ea33daffected
  • 81d583baa5f1abd73c755ce1992929debd20b687affected
  • 5.15.81 to < 5.16affected

Linux Linux

Default version status: affected

  • 5.16affected
  • 0 to < 5.16unaffected
  • 6.2.15 to ≤ 6.2.*unaffected
  • 6.3.2 to ≤ 6.3.*unaffected
  • 6.4 to ≤ *unaffected

References