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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2023-52442

ksmbd: validate session id and tree id in compound request

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in compound request `smb2_get_msg()` in smb2_get_ksmbd_tcon() and smb2_check_user_session() will always return the first request smb2 header in a compound request. if `SMB2_TREE_CONNECT_HE` is the first command in compound request, will return 0, i.e. The tree id check is skipped. This patch use ksmbd_req_buf_next() to get current command in compound.

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

  • 0626e6641f6b467447c81dd7678a69c66f7746cf to < 017d85c94f02090a87f4a473dbe0d6ee0da72693affected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to < becb5191d1d5fdfca0198a2e37457bbbf4fe266faffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to < 4c2b350b2e269e3fd17bbfa42de1b42775b777acaffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to < 3df0411e132ee74a87aa13142dfd2b190275332eaffected

Linux Linux

Default version status: affected

  • 5.15affected
  • 0 to < 5.15unaffected
  • 5.15.145 to ≤ 5.15.*unaffected
  • 6.1.53 to ≤ 6.1.*unaffected
  • 6.4.16 to ≤ 6.4.*unaffected
  • 6.5 to ≤ *unaffected

References