What’s Vulnerable › Vulnerabilities
CVE-2025-39798: NFS: Fix the setting of capabilities when automounting a new filesystem
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-09-12 · updated 2026-10-19
Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix the setting of capabilities when automounting a new filesystem Capabilities cannot be inherited when we cross into a new filesystem. They need to be reset to the minimal defaults, and then probed for again.
Affected products
- Debian Linux: 11.0
- Linux kernel: from 2.6.19 before 5.4.297; from 5.5 before 5.10.241; from 5.11 before 5.15.190; from 5.16 before 6.1.149; from 6.2 before 6.6.103; from 6.7 before 6.12.43 — fixed in 5.10.241, 5.15.190, 5.4.297, 6.1.149, 6.12.43, 6.15.11
How to fix
Upgrade to a fixed version: Linux kernel 5.10.241, 5.15.190, 5.4.297, 6.1.149. Check the vendor advisory for mitigations.
References
- https://git.kernel.org/stable/c/175afda783e38c0660f2afc0602dd9c83d4e7ee1
- https://git.kernel.org/stable/c/3924dab90816d0c683a110628ef386f83a9d1e13
- https://git.kernel.org/stable/c/50e0fd0050e510e749e1fdd1d7158e419ff8f3b9
- https://git.kernel.org/stable/c/73fcb101bb3eb2a552d7856a476b2c0bc3b5ef9e
- https://git.kernel.org/stable/c/816a6f60c2c2b679a33fa4276442bafd11473651
- https://git.kernel.org/stable/c/95eb0d97ab98a10e966125c1f274e7d0fc0992b3
- https://git.kernel.org/stable/c/987c20428f067c1c7f29ed0a2bd8c63fa74b1c2c
- https://git.kernel.org/stable/c/a8ffee4abd8ec9d7a64d394e0306ae64ba139fd2
- https://git.kernel.org/stable/c/b01f21cacde9f2878492cf318fee61bf4ccad323
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
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