CVE-2025-38208

smb: client: add NULL check in automount_fullpath

MEDIUM

5.5

CVSS Score

Published: July 4, 2025 at 01:37 PM UTC

Updated: June 17, 2026 at 09:16 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: add NULL check in automount_fullpath page is checked for null in __build_path_from_dentry_optional_prefix when tcon->origin_fullpath is not set. However, the check is missing when it is set. Add a check to prevent a potential NULL pointer dereference.

Affected

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

Linux Kernel · Linux

95%

v ≥ 6.2.13v < 6.6.956.13 ≤ v < 6.15.46.2.13 ≤ v < 6.36.3 ≤ v < 6.12.356.3 ≤ v < 6.15.46.3 ≤ v < 6.166.3 ≤ v < 6.6.956.7 ≤ v < 6.12.356.2.13 6.3d5a863a153e90996ab2aef6b9e08d509f4d5662be91802036b3e6e6e803a17ddf5783a6354fe5380

Vendor states this is fixed in 37166d63e42c34846a16001950ecec96229a8d17 (fixed)

Vendor states this is fixed in a9e916fa5c7d0ec2256aa44aa24ddd92f529ce35 (fixed)

Vendor states this is fixed in cce8e71ca1f7ad9045707f0d22490c1e9ed1df6c (fixed)

Vendor states this is fixed in f1e7a277a1736e12cc4bd6d93b8a5c439b8ca20c (fixed)

Vendor states this is fixed in 6.12.35 (unaffected)

Vendor states this is fixed in 6.15.4 (unaffected)

Vendor states this is fixed in 6.16 (unaffected)

Vendor states this is fixed in 6.3 (unaffected)

Vendor states this is fixed in 6.6.95 (unaffected)