High severity · published Jan 5, 2026
CVE-2025-68764
NFS: Automounted filesystems should inherit ro,noexec,nodev,sync flags
7.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
f2aedb713c284429987dc66c7aaf38decfc8da2a before a3dc6c40bcab1a888d5c0d134ccc0746b4c98929; f2aedb713c284429987dc66c7aaf38decfc8da2a before ba1495aefd22fcf0746a2a3025c95d766d7cde4d; f2aedb713c284429987dc66c7aaf38decfc8da2a before c09070b4def1b34e473a746c6a5331ccb80902c1; f2aedb713c284429987dc66c7aaf38decfc8da2a before dce10c59211e5cd763a62ea01e79b82a629811e3; f2aedb713c284429987dc66c7aaf38decfc8da2a before 612cc98698d667df804792f0c47d4e501e66da29; f2aedb713c284429987dc66c7aaf38decfc8da2a before 4b296944e632cf4c6a4cc8e2585c6451eae47b1b; +3 more · source: vendor
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.6; V3.1.7; V3.1.6; V3.1.7 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.6; V3.1.7; V3.1.6; V3.1.7 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.6; V3.1.7 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-68764
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-68764
git.kernel.org
https://git.kernel.org/stable/c/4b296944e632cf4c6a4cc8e2585c6451eae47b1b
git.kernel.org
https://git.kernel.org/stable/c/612cc98698d667df804792f0c47d4e501e66da29
git.kernel.org
https://git.kernel.org/stable/c/8675c69816e4276b979ff475ee5fac4688f80125
git.kernel.org
https://git.kernel.org/stable/c/a3dc6c40bcab1a888d5c0d134ccc0746b4c98929
git.kernel.org
https://git.kernel.org/stable/c/ba1495aefd22fcf0746a2a3025c95d766d7cde4d
git.kernel.org
https://git.kernel.org/stable/c/c09070b4def1b34e473a746c6a5331ccb80902c1
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