CVE-2025-39888
- Source
- https://cve.org/CVERecord?id=CVE-2025-39888
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39888.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-39888
- Downstream
- Published
- 2025-09-23T06:00:54.156Z
- Modified
- 2026-04-02T12:48:12.207002Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- fuse: Block access to folio overlimit
- Details
-
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 fusedevdo_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.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39888.json" }- References
-
- https://git.kernel.org/stable/c/623719227b114d73a2cee45f1b343ced63ce09ec
- https://git.kernel.org/stable/c/9d81ba6d49a7457784f0b6a71046818b86ec7e44
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39888.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-39888
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git