Answer in brief
CVE-2025-22040 records a Unknown severity vulnerability in ksmbd: fix session use-after-free in multichannel connection. 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-2025-22040 records a Unknown severity vulnerability in ksmbd: fix session use-after-free in multichannel connection. 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 <596407adb9af1ee75fe7c7529607783d31b66e7f || >=0626e6641f6b467447c81dd7678a69c66f7746cf <3980770cb1470054e6400fd97668665975726737 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <9069939d762138e232a6f79e3e1462682ed6a17d || >=0626e6641f6b467447c81dd7678a69c66f7746cf <94c281721d4ed2d972232414b91d98a6f5bdb16b || >=0626e6641f6b467447c81dd7678a69c66f7746cf <7dfbd4c43eed91dd2548a95236908025707a8dfd || >=0626e6641f6b467447c81dd7678a69c66f7746cf <fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db | 596407adb9af1ee75fe7c7529607783d31b66e7f, 3980770cb1470054e6400fd97668665975726737, 9069939d762138e232a6f79e3e1462682ed6a17d, 94c281721d4ed2d972232414b91d98a6f5bdb16b, 7dfbd4c43eed91dd2548a95236908025707a8dfd, fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db |
| Linux/Linuxgeneric | 5.15 | Not reported |
Published upstream
Apr 16, 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 session use-after-free in multichannel connection There is a race condition between session setup and ksmbd_sessions_deregister. The session can be freed before the connection is added to channel list of session. This patch check reference count of session before freeing it.
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 <596407adb9af1ee75fe7c7529607783d31b66e7f || >=0626e6641f6b467447c81dd7678a69c66f7746cf <3980770cb1470054e6400fd97668665975726737 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <9069939d762138e232a6f79e3e1462682ed6a17d || >=0626e6641f6b467447c81dd7678a69c66f7746cf <94c281721d4ed2d972232414b91d98a6f5bdb16b || >=0626e6641f6b467447c81dd7678a69c66f7746cf <7dfbd4c43eed91dd2548a95236908025707a8dfd || >=0626e6641f6b467447c81dd7678a69c66f7746cf <fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db | 596407adb9af1ee75fe7c7529607783d31b66e7f, 3980770cb1470054e6400fd97668665975726737, 9069939d762138e232a6f79e3e1462682ed6a17d, 94c281721d4ed2d972232414b91d98a6f5bdb16b, 7dfbd4c43eed91dd2548a95236908025707a8dfd, fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db |
| Linux/Linuxgeneric | 5.15 | Not reported |
Published upstream
Apr 16, 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 session use-after-free in multichannel connection There is a race condition between session setup and ksmbd_sessions_deregister. The session can be freed before the connection is added to channel list of session. This patch check reference count of session before freeing it.
Quoted source text, attributed separately from HOL analysis.