CVE-2025-39798

NFS: Fix the setting of capabilities when automounting a new filesystem

MEDIUM
5.5
CVSS Score
Published: September 12, 2025 at 03:59 PM UTC
Updated: October 19, 2026 at 09:10 PM UTC
6 products affected across 3 vendorsLinux KernelDebian LinuxSIMATIC S7-1500 CPU 1518-4 Pn /dp MFP Firmware

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.6.19 ≤ v < 5.4.2975.11 ≤ v < 5.15.1905.16 ≤ v < 6.1.1495.5 ≤ v < 5.10.2416.13 ≤ v < 6.15.116.16 ≤ v < 6.16.26.2 ≤ v < 6.6.1036.7 ≤ v < 6.12.432.6.1954ceac4515986030c2502960be620198dd8fe25b
Vendor states this is fixed in 175afda783e38c0660f2afc0602dd9c83d4e7ee1 (fixed)
Vendor states this is fixed in 3924dab90816d0c683a110628ef386f83a9d1e13 (fixed)
Vendor states this is fixed in 50e0fd0050e510e749e1fdd1d7158e419ff8f3b9 (fixed)
Vendor states this is fixed in 73fcb101bb3eb2a552d7856a476b2c0bc3b5ef9e (fixed)
Vendor states this is fixed in 816a6f60c2c2b679a33fa4276442bafd11473651 (fixed)
Vendor states this is fixed in 95eb0d97ab98a10e966125c1f274e7d0fc0992b3 (fixed)
Vendor states this is fixed in 987c20428f067c1c7f29ed0a2bd8c63fa74b1c2c (fixed)
Vendor states this is fixed in a8ffee4abd8ec9d7a64d394e0306ae64ba139fd2 (fixed)
Vendor states this is fixed in b01f21cacde9f2878492cf318fee61bf4ccad323 (fixed)
Vendor states this is fixed in 2.6.19 (unaffected)
Vendor states this is fixed in 5.10.241 (unaffected)
Vendor states this is fixed in 5.15.190 (unaffected)
Vendor states this is fixed in 5.4.297 (unaffected)
Vendor states this is fixed in 6.1.149 (unaffected)
Vendor states this is fixed in 6.12.43 (unaffected)
Vendor states this is fixed in 6.15.11 (unaffected)
Vendor states this is fixed in 6.16.2 (unaffected)
Vendor states this is fixed in 6.17 (unaffected)
Vendor states this is fixed in 6.6.103 (unaffected)
v < V5.0
Affected range stops below V5.0, so it looks safe — our inference, not a vendor statement

References (13)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/175afda783e38c0660f2afc0602dd9c83d4e7ee1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3924dab90816d0c683a110628ef386f83a9d1e13
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/50e0fd0050e510e749e1fdd1d7158e419ff8f3b9
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/73fcb101bb3eb2a552d7856a476b2c0bc3b5ef9e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/816a6f60c2c2b679a33fa4276442bafd11473651
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/95eb0d97ab98a10e966125c1f274e7d0fc0992b3
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/987c20428f067c1c7f29ed0a2bd8c63fa74b1c2c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a8ffee4abd8ec9d7a64d394e0306ae64ba139fd2

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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