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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-31608

smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list() smb_direct_flush_send_list() already calls smb_direct_free_sendmsg(), so we should not call it again after post_sendmsg() moved it to the batch list.

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

  • 5ef18a2e66f2f33fdac64437bddfb9fe6389fdc7 to < 6968c91fab05b8fc4d6700e0cf34472bb422df25affected
  • 79242e7b6bc63efec28b7c235bc320806afce6c0 to < 2ba03f46132b0d1a7bafb86e1ef61951a2254023affected
  • 34abd408c8ba24d7c97bd02ba874d8c714f49db1 to < 830de6eeb9db4cb7e758201fb99328ef4ca4b032affected
  • 34abd408c8ba24d7c97bd02ba874d8c714f49db1 to < 84ff995ae826aa6bbcc6c7b9ea569ff67c021d72affected
  • 6.18.11 to < 6.18.24affected
  • 6.19.1 to < 6.19.14affected

Linux Linux

Default version status: affected

  • 7.0affected
  • 0 to < 7.0unaffected
  • 6.18.24 to ≤ 6.18.*unaffected
  • 6.19.14 to ≤ 6.19.*unaffected
  • 7.0.1 to ≤ 7.0.*unaffected
  • 7.1 to ≤ *unaffected

References