Answer in brief
CVE-2025-38306 records a High severity (CVSS 7.8) vulnerability in fs/fhandle.c: fix a race in call of has_locked_children(). 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.
CVSS is 7.8. 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). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=620c266f394932e5decc4b34683a75dfc59dc2f4 <6482c3dccbfb8d20e2856ce67c75856859930b3f || >=620c266f394932e5decc4b34683a75dfc59dc2f4 <287c7d34eedd37af1272dfb3b6e8656f4f026424 || >=620c266f394932e5decc4b34683a75dfc59dc2f4 <1f282cdc1d219c4a557f7009e81bc792820d9d9a | 6482c3dccbfb8d20e2856ce67c75856859930b3f, 287c7d34eedd37af1272dfb3b6e8656f4f026424, 1f282cdc1d219c4a557f7009e81bc792820d9d9a |
| Linux/Linuxgeneric | 6.11 | Not reported |
Published upstream
Jul 10, 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: fs/fhandle.c: fix a race in call of has_locked_children() may_decode_fh() is calling has_locked_children() while holding no locks. That's an oopsable race... The rest of the callers are safe since they are holding namespace_sem and are guaranteed a positive refcount on the mount in question. Rename the current has_locked_children() to __has_locked_children(), make it static and switch the fs/namespace.c users to it. Make has_locked_children() a wrapper for __has_locked_children(), calling the latter under read_seqlock_excl(&mount_lock).
Quoted source text, attributed separately from HOL analysis.