Answer in brief
CVE-2025-38461 records a Unknown severity vulnerability in vsock: Fix transport_* TOCTOU. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2025-38461 records a Unknown severity vulnerability in vsock: Fix transport_* TOCTOU. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <8667e8d0eb46bc54fdae30ba2f4786407d3d88eb || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <36a439049b34cca0b3661276049b84a1f76cc21a || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <9ce53e744f18e73059d3124070e960f3aa9902bf || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <9d24bb6780282b0255b9929abe5e8f98007e2c6e || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <ae2c712ba39c7007de63cb0c75b51ce1caaf1da5 || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <7b73bddf54777fb62d4d8c7729d0affe6df04477 || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <687aa0c5581b8d4aa87fd92973e4ee576b550cdf | 8667e8d0eb46bc54fdae30ba2f4786407d3d88eb, 36a439049b34cca0b3661276049b84a1f76cc21a, 9ce53e744f18e73059d3124070e960f3aa9902bf, 9d24bb6780282b0255b9929abe5e8f98007e2c6e, ae2c712ba39c7007de63cb0c75b51ce1caaf1da5, 7b73bddf54777fb62d4d8c7729d0affe6df04477, 687aa0c5581b8d4aa87fd92973e4ee576b550cdf |
| Linux/Linuxgeneric | 5.5 | Not reported |
Published upstream
Jul 25, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <8667e8d0eb46bc54fdae30ba2f4786407d3d88eb || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <36a439049b34cca0b3661276049b84a1f76cc21a || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <9ce53e744f18e73059d3124070e960f3aa9902bf || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <9d24bb6780282b0255b9929abe5e8f98007e2c6e || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <ae2c712ba39c7007de63cb0c75b51ce1caaf1da5 || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <7b73bddf54777fb62d4d8c7729d0affe6df04477 || >=c0cfa2d8a788fcf45df5bf4070ab2474c88d543a <687aa0c5581b8d4aa87fd92973e4ee576b550cdf | 8667e8d0eb46bc54fdae30ba2f4786407d3d88eb, 36a439049b34cca0b3661276049b84a1f76cc21a, 9ce53e744f18e73059d3124070e960f3aa9902bf, 9d24bb6780282b0255b9929abe5e8f98007e2c6e, ae2c712ba39c7007de63cb0c75b51ce1caaf1da5, 7b73bddf54777fb62d4d8c7729d0affe6df04477, 687aa0c5581b8d4aa87fd92973e4ee576b550cdf |
| Linux/Linuxgeneric | 5.5 | Not reported |
Published upstream
Jul 25, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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
Quoted source text, attributed separately from HOL analysis.