Answer in brief
CVE-2025-39942 records a Unknown severity vulnerability in ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size. 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 | >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <196a3a7676d726ee67621ea2bf3b7815ac2685b4 || >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce || >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <9644798294c7287e65a7b26e35aa6d2ce3345bcc || >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <c64b915bb3d9339adcae5db4be2c35ffbef5e615 || >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <e1868ba37fd27c6a68e31565402b154beaa65df0 | 196a3a7676d726ee67621ea2bf3b7815ac2685b4, d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce, 9644798294c7287e65a7b26e35aa6d2ce3345bcc, c64b915bb3d9339adcae5db4be2c35ffbef5e615, e1868ba37fd27c6a68e31565402b154beaa65df0 |
| Linux/Linuxgeneric | 5.15 | Not reported |
Published upstream
Oct 4, 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: ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size This is inspired by the check for data_offset + data_length.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2025-39942 records a Unknown severity vulnerability in ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size. 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 | >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <196a3a7676d726ee67621ea2bf3b7815ac2685b4 || >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce || >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <9644798294c7287e65a7b26e35aa6d2ce3345bcc || >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <c64b915bb3d9339adcae5db4be2c35ffbef5e615 || >=2ea086e35c3d726a3bacd0a971c1f02a50e98206 <e1868ba37fd27c6a68e31565402b154beaa65df0 | 196a3a7676d726ee67621ea2bf3b7815ac2685b4, d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce, 9644798294c7287e65a7b26e35aa6d2ce3345bcc, c64b915bb3d9339adcae5db4be2c35ffbef5e615, e1868ba37fd27c6a68e31565402b154beaa65df0 |
| Linux/Linuxgeneric | 5.15 | Not reported |
Published upstream
Oct 4, 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: ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size This is inspired by the check for data_offset + data_length.
Quoted source text, attributed separately from HOL analysis.