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CVE-2025-39730NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()
- 7.8HighCVSS base score
- 0.21%Exploitation in 30 daysEPSS · top 89% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() The function needs to check the minimal filehandle length before it can access the embedded filehandle.
Timeline
ID reserved
By Linux
- 5 months later
· 5 months later
Published
- 9 months later
· 9 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.21% · top 89% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 20fa19027286983ab2734b5910c4a687436e0c31 – < 7f8eca87fef7519e9c41f3258f25ebc2752247ee
- affected 20fa19027286983ab2734b5910c4a687436e0c31 – < cb09afa0948d96b1e385d609ed044bb1aa043536
- affected 20fa19027286983ab2734b5910c4a687436e0c31 – < 3570ef5c31314c13274c935a20b91768ab5bf412
- affected 20fa19027286983ab2734b5910c4a687436e0c31 – < 763810bb883cb4de412a72f338d80947d97df67b
- affected 20fa19027286983ab2734b5910c4a687436e0c31 – < 12ad3def2e5e0b120e3d0cb6ce8b7b796819ad40
- affected 20fa19027286983ab2734b5910c4a687436e0c31 – < 2ad40b7992aa26bc631afc1a995b0e3ddc30de3f
- affected 20fa19027286983ab2734b5910c4a687436e0c31 – < b7f7866932466332a2528fda099000b035303485
- affected 20fa19027286983ab2734b5910c4a687436e0c31 – < 7dd36f7477d1e03a1fcf8d13531ca326c4fb599f
- affected 20fa19027286983ab2734b5910c4a687436e0c31 – < ef93a685e01a281b5e2a25ce4e3428cf9371a205
- affected 4.13
- unaffected < 4.13
- unaffected 5.4.297 – ≤ 5.4.*
- unaffected 5.10.241 – ≤ 5.10.*
- unaffected 5.15.190 – ≤ 5.15.*
- unaffected 6.1.148 – ≤ 6.1.*
- unaffected 6.6.102 – ≤ 6.6.*
- unaffected 6.12.42 – ≤ 6.12.*
- unaffected 6.15.10 – ≤ 6.15.*
- unaffected 6.16.1 – ≤ 6.16.*
- unaffected 6.17 – ≤ *
References
References11
- https://git.kernel.org/stable/c/7f8eca87fef7519e9c41f3258f25ebc2752247ee (opens in a new tab)
- https://git.kernel.org/stable/c/cb09afa0948d96b1e385d609ed044bb1aa043536 (opens in a new tab)
- https://git.kernel.org/stable/c/3570ef5c31314c13274c935a20b91768ab5bf412 (opens in a new tab)
- https://git.kernel.org/stable/c/763810bb883cb4de412a72f338d80947d97df67b (opens in a new tab)
- https://git.kernel.org/stable/c/12ad3def2e5e0b120e3d0cb6ce8b7b796819ad40 (opens in a new tab)
- https://git.kernel.org/stable/c/2ad40b7992aa26bc631afc1a995b0e3ddc30de3f (opens in a new tab)
- https://git.kernel.org/stable/c/b7f7866932466332a2528fda099000b035303485 (opens in a new tab)
- https://git.kernel.org/stable/c/7dd36f7477d1e03a1fcf8d13531ca326c4fb599f (opens in a new tab)
- https://git.kernel.org/stable/c/ef93a685e01a281b5e2a25ce4e3428cf9371a205 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-31500 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-39730)Record last updated .