Answer in brief
CVE-2024-47660 records a Unknown severity vulnerability in fsnotify: clear PARENT_WATCHED flags lazily. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/RUGGEDCOM RST2428P (generic), Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family (generic) and additional mapped packages. 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), Siemens/RUGGEDCOM RST2428P (generic), Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=873feea09ebc980cbd3631b767356ce1eee65ec1 <3f3ef1d9f66b93913ce2171120d9226b55acd41d || >=873feea09ebc980cbd3631b767356ce1eee65ec1 <f9a48bc3dd9099935751458a5bbbea4b7c28abc8 || >=873feea09ebc980cbd3631b767356ce1eee65ec1 <d8c42405fc3507cc43ba7e4986a773c3fc633f6e || >=873feea09ebc980cbd3631b767356ce1eee65ec1 <fc1b1e135c3f72382f792e6c319fc088d5523ad5 || >=873feea09ebc980cbd3631b767356ce1eee65ec1 <7ef1d2e240c32b1f337a37232d037b07e3919e1a || >=873feea09ebc980cbd3631b767356ce1eee65ec1 <172e422ffea20a89bfdc672741c1aad6fbb5044e | 3f3ef1d9f66b93913ce2171120d9226b55acd41d, f9a48bc3dd9099935751458a5bbbea4b7c28abc8, d8c42405fc3507cc43ba7e4986a773c3fc633f6e, fc1b1e135c3f72382f792e6c319fc088d5523ad5, 7ef1d2e240c32b1f337a37232d037b07e3919e1a, 172e422ffea20a89bfdc672741c1aad6fbb5044e |
| Linux/Linuxgeneric | 2.6.38 | Not reported |
| Siemens/RUGGEDCOM RST2428Pgeneric | >=0 <V3.2 | V3.2 |
| Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familygeneric | >=0 <V3.2 | V3.2 |
| Siemens/SCALANCE XCM-/XRM-/XCH-/XRH-300 familygeneric | >=0 <V3.2 | V3.2 |
| Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystemgeneric | >=0 <V1.1.1 | V1.1.1 |
Published upstream
Oct 9, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 15, 2026
In the Linux kernel, the following vulnerability has been resolved: fsnotify: clear PARENT_WATCHED flags lazily In some setups directories can have many (usually negative) dentries. Hence __fsnotify_update_child_dentry_flags() function can take a significant amount of time. Since the bulk of this function happens under inode->i_lock this causes a significant contention on the lock when we remove the watch from the directory as the __fsnotify_update_child_dentry_flags() call from fsnotify_recalc_mask() races with __fsnotify_update_child_dentry_flags() calls from __fsnotify_parent() happening on children. This can lead upto softlockup reports reported by users. Fix the problem by calling fsnotify_update_children_dentry_flags() to set PARENT_WATCHED flags only when parent starts watching children. When parent stops watching children, clear false positive PARENT_WATCHED flags lazily in __fsnotify_parent() for each accessed child.
Quoted source text, attributed separately from HOL analysis.