What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-05 · updated 2026-10-19
• Weakness: CWE-862

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.

Affected products

• Linux kernel: 5.6 — fixed in 6.19

How to fix

Upgrade to a fixed version: Linux kernel 6.19. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4b296944e632cf4c6a4cc8e2585c6451eae47b1b
• https://git.kernel.org/stable/c/612cc98698d667df804792f0c47d4e501e66da29
• https://git.kernel.org/stable/c/8675c69816e4276b979ff475ee5fac4688f80125
• 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/df9b003a2ecacc7218486fbb31fe008c93097d5f
• https://cert-portal.siemens.com/productcert/html/ssa-019113.html
• https://cert-portal.siemens.com/productcert/html/ssa-457936.html

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