CVE-2025-39888
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
23/09/2025
Last modified:
23/09/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
fuse: Block access to folio overlimit<br />
<br />
syz reported a slab-out-of-bounds Write in fuse_dev_do_write.<br />
<br />
When the number of bytes to be retrieved is truncated to the upper limit<br />
by fc->max_pages and there is an offset, the oob is triggered.<br />
<br />
Add a loop termination condition to prevent overruns.