Unrated severityNVD Advisory· Published Jul 4, 2025· Updated Jan 2, 2026

smb: client: add NULL check in automount_fullpath

CVE-2025-38208

Description

In the Linux kernel, the following vulnerability has been resolved:

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

116

Linux/Kernelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 6.3
osv-coords114 versions
pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-coco_debug&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6 pkg:rpm/suse/kernel-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_15&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_15&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_4&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_4&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-source-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-syms-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 6.4.0-150600.23.70.1+ 113 more
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150600.23.70.1.150600.12.30.2
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.10.52.1
- (no CPE)range: < 6.4.0-150600.10.52.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.10.52.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.10.52.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150700.20.15.2
- (no CPE)range: < 6.4.0-15061.32.coco15sp6.1
- (no CPE)range: < 6.4.0-15061.32.coco15sp6.1
- (no CPE)range: < 6.4.0-150600.23.70.1.150600.12.30.2
- (no CPE)range: < 6.4.0-150700.53.16.1.150700.17.11.2
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.4.0-34.1.21.11
- (no CPE)range: < 6.4.0-34.1.21.11
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.4.0-34.1
- (no CPE)range: < 6.4.0-34.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-34.1
- (no CPE)range: < 6.4.0-34.1
- (no CPE)range: < 1-150600.1.3.1
- (no CPE)range: < 1-150600.13.3.2
- (no CPE)range: < 1-150700.1.3.2
- (no CPE)range: < 1-150700.15.3.2
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.10.52.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.10.52.1
- (no CPE)range: < 6.4.0-150700.7.16.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150700.20.15.2
- (no CPE)range: < 6.4.0-15061.32.coco15sp6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-34.1
- (no CPE)range: < 6.4.0-34.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-150600.10.52.1
- (no CPE)range: < 6.4.0-150700.7.16.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150700.20.15.1
- (no CPE)range: < 6.4.0-15061.32.coco15sp6.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.4.0-150600.10.52.1
- (no CPE)range: < 6.4.0-150700.7.16.1
- (no CPE)range: < 6.4.0-150600.23.70.1
- (no CPE)range: < 6.4.0-150700.53.16.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

smb: client: add NULL check in automount_fullpath

Description

AI Insight

Affected products

Patches

Vulnerability mechanics

References

News mentions