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CVE PROGRAM SOURCE RECORD7.0 High

CVE-2025-38461

vsock: Fix transport_* TOCTOU

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport_* TOCTOU Transport assignment may race with module unload. Protect new_transport from becoming a stale pointer. This also takes care of an insecure call in vsock_use_local_transport(); add a lockdep assert. BUG: unable to handle page fault for address: fffffbfff8056000 Oops: Oops: 0000 [#1] SMP KASAN RIP: 0010:vsock_assign_transport+0x366/0x600 Call Trace: vsock_connect+0x59c/0xc40 __sys_connect+0xe8/0x100 __x64_sys_connect+0x6e/0xc0 do_syscall_64+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x4b/0x53

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

  • c0cfa2d8a788fcf45df5bf4070ab2474c88d543a to < 8667e8d0eb46bc54fdae30ba2f4786407d3d88ebaffected
  • c0cfa2d8a788fcf45df5bf4070ab2474c88d543a to < 36a439049b34cca0b3661276049b84a1f76cc21aaffected
  • c0cfa2d8a788fcf45df5bf4070ab2474c88d543a to < 9ce53e744f18e73059d3124070e960f3aa9902bfaffected
  • c0cfa2d8a788fcf45df5bf4070ab2474c88d543a to < 9d24bb6780282b0255b9929abe5e8f98007e2c6eaffected
  • c0cfa2d8a788fcf45df5bf4070ab2474c88d543a to < ae2c712ba39c7007de63cb0c75b51ce1caaf1da5affected
  • c0cfa2d8a788fcf45df5bf4070ab2474c88d543a to < 7b73bddf54777fb62d4d8c7729d0affe6df04477affected
  • c0cfa2d8a788fcf45df5bf4070ab2474c88d543a to < 687aa0c5581b8d4aa87fd92973e4ee576b550cdfaffected

Linux Linux

Default version status: affected

  • 5.5affected
  • 0 to < 5.5unaffected
  • 5.10.240 to ≤ 5.10.*unaffected
  • 5.15.189 to ≤ 5.15.*unaffected
  • 6.1.146 to ≤ 6.1.*unaffected
  • 6.6.99 to ≤ 6.6.*unaffected
  • 6.12.39 to ≤ 6.12.*unaffected
  • 6.15.7 to ≤ 6.15.*unaffected
  • 6.16 to ≤ *unaffected

References