Answer in brief
CVE-2023-54280 records a Unknown severity vulnerability in cifs: fix potential race when tree connecting ipc. 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 | >=c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e <536ec71ba060a02fabe8e22cecb82fe7b3a8708b || >=c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e <553476df55a111e6a66ad9155256aec0ec1b7ad0 || >=c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e <ee20d7c6100752eaf2409d783f4f1449c29ea33d || 81d583baa5f1abd73c755ce1992929debd20b687 || >=5.15.81 <5.16 | 536ec71ba060a02fabe8e22cecb82fe7b3a8708b, 553476df55a111e6a66ad9155256aec0ec1b7ad0, ee20d7c6100752eaf2409d783f4f1449c29ea33d, 5.16 |
| Linux/Linuxgeneric | 5.16 | Not reported |
Published upstream
Dec 30, 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: cifs: fix potential race when tree connecting ipc Protect access of TCP_Server_Info::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in __tree_connect_dfs_target(). Also, while at it, update status of IPC tcon on success and then avoid any extra tree connects.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-54280 records a Unknown severity vulnerability in cifs: fix potential race when tree connecting ipc. 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 | >=c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e <536ec71ba060a02fabe8e22cecb82fe7b3a8708b || >=c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e <553476df55a111e6a66ad9155256aec0ec1b7ad0 || >=c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e <ee20d7c6100752eaf2409d783f4f1449c29ea33d || 81d583baa5f1abd73c755ce1992929debd20b687 || >=5.15.81 <5.16 | 536ec71ba060a02fabe8e22cecb82fe7b3a8708b, 553476df55a111e6a66ad9155256aec0ec1b7ad0, ee20d7c6100752eaf2409d783f4f1449c29ea33d, 5.16 |
| Linux/Linuxgeneric | 5.16 | Not reported |
Published upstream
Dec 30, 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: cifs: fix potential race when tree connecting ipc Protect access of TCP_Server_Info::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in __tree_connect_dfs_target(). Also, while at it, update status of IPC tcon on success and then avoid any extra tree connects.
Quoted source text, attributed separately from HOL analysis.