Answer in brief
CVE-2025-37956 records a High severity (CVSS 8.8) vulnerability in ksmbd: prevent rename with empty string. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), 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.
CVSS is 8.8. 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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=0626e6641f6b467447c81dd7678a69c66f7746cf <6ee551672c8cf36108b0cfba92ec0c7c28ac3439 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <c57301e332cc413fe0a7294a90725f4e21e9549d || >=0626e6641f6b467447c81dd7678a69c66f7746cf <d7f2c00acb1ef64304fd40ac507e9213ff1d9b5c || >=0626e6641f6b467447c81dd7678a69c66f7746cf <53e3e5babc0963a92d856a5ec0ce92c59f54bc12 | 6ee551672c8cf36108b0cfba92ec0c7c28ac3439, c57301e332cc413fe0a7294a90725f4e21e9549d, d7f2c00acb1ef64304fd40ac507e9213ff1d9b5c, 53e3e5babc0963a92d856a5ec0ce92c59f54bc12 |
| Linux/Linuxgeneric | 5.15 | Not reported |
| Linux/Linuxgeneric | >=0626e6641f6b467447c81dd7678a69c66f7746cf <35e2964e93d95185d2db0c0ffd9959d0197b3956 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <6ee551672c8cf36108b0cfba92ec0c7c28ac3439 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <c57301e332cc413fe0a7294a90725f4e21e9549d || >=0626e6641f6b467447c81dd7678a69c66f7746cf <d7f2c00acb1ef64304fd40ac507e9213ff1d9b5c || >=0626e6641f6b467447c81dd7678a69c66f7746cf <53e3e5babc0963a92d856a5ec0ce92c59f54bc12 | 35e2964e93d95185d2db0c0ffd9959d0197b3956, 6ee551672c8cf36108b0cfba92ec0c7c28ac3439, c57301e332cc413fe0a7294a90725f4e21e9549d, d7f2c00acb1ef64304fd40ac507e9213ff1d9b5c, 53e3e5babc0963a92d856a5ec0ce92c59f54bc12 |
Published upstream
May 20, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 30, 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: prevent rename with empty string Client can send empty newname string to ksmbd server. It will cause a kernel oops from d_alloc. This patch return the error when attempting to rename a file or directory with an empty new name string.
Quoted source text, attributed separately from HOL analysis.