Answer in brief
CVE-2025-21748 records a Unknown severity vulnerability in ksmbd: fix integer overflows on 32 bit systems. 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-2025-21748 records a Unknown severity vulnerability in ksmbd: fix integer overflows on 32 bit systems. 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 | >=0626e6641f6b467447c81dd7678a69c66f7746cf <f3b9fb2764591d792d160f375851013665a9e820 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <760568c1f62ea874e8fb492f9cfa4f47b4b8391e || >=0626e6641f6b467447c81dd7678a69c66f7746cf <82f59d64e6297f270311b16b5dcf65be406d1ea3 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <b4b902737746c490258de5cb55cab39e79927a67 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <ecb9947fa7c99a77b04d43404c6988a0d326e4a0 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <aab98e2dbd648510f8f51b83fbf4721206ccae45 | f3b9fb2764591d792d160f375851013665a9e820, 760568c1f62ea874e8fb492f9cfa4f47b4b8391e, 82f59d64e6297f270311b16b5dcf65be406d1ea3, b4b902737746c490258de5cb55cab39e79927a67, ecb9947fa7c99a77b04d43404c6988a0d326e4a0, aab98e2dbd648510f8f51b83fbf4721206ccae45 |
| Linux/Linuxgeneric | 5.15 | Not reported |
Published upstream
Feb 27, 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: fix integer overflows on 32 bit systems On 32bit systems the addition operations in ipc_msg_alloc() can potentially overflow leading to memory corruption. Add bounds checking using KSMBD_IPC_MAX_PAYLOAD to avoid overflow.
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 | >=0626e6641f6b467447c81dd7678a69c66f7746cf <f3b9fb2764591d792d160f375851013665a9e820 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <760568c1f62ea874e8fb492f9cfa4f47b4b8391e || >=0626e6641f6b467447c81dd7678a69c66f7746cf <82f59d64e6297f270311b16b5dcf65be406d1ea3 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <b4b902737746c490258de5cb55cab39e79927a67 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <ecb9947fa7c99a77b04d43404c6988a0d326e4a0 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <aab98e2dbd648510f8f51b83fbf4721206ccae45 | f3b9fb2764591d792d160f375851013665a9e820, 760568c1f62ea874e8fb492f9cfa4f47b4b8391e, 82f59d64e6297f270311b16b5dcf65be406d1ea3, b4b902737746c490258de5cb55cab39e79927a67, ecb9947fa7c99a77b04d43404c6988a0d326e4a0, aab98e2dbd648510f8f51b83fbf4721206ccae45 |
| Linux/Linuxgeneric | 5.15 | Not reported |
Published upstream
Feb 27, 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: fix integer overflows on 32 bit systems On 32bit systems the addition operations in ipc_msg_alloc() can potentially overflow leading to memory corruption. Add bounds checking using KSMBD_IPC_MAX_PAYLOAD to avoid overflow.
Quoted source text, attributed separately from HOL analysis.