CVE-2025-39888
fuse: Block access to folio overlimit
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
6th
In the Linux kernel, the following vulnerability has been resolved: fuse: Block access to folio overlimit syz reported a slab-out-of-bounds Write in fuse_dev_do_write. When the number of bytes to be retrieved is truncated to the upper limit by fc->max_pages and there is an offset, the oob is triggered. Add a loop termination condition to prevent overruns.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 23, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
3568a956932621cafadafc8b75fcf6dc06555105 < 623719227b114d73a2cee45f1b343ced63ce09ec 3568a956932621cafadafc8b75fcf6dc06555105 < 9d81ba6d49a7457784f0b6a71046818b86ec7e44
Linux / Linux
6.16