CVE-2022-50148

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix potential NULL dereference in __kernfs_remove When lockdep is enabled, lockdep_assert_held_write would cause potential NULL pointer dereference. Fix the following smatch warnings: fs/kernfs/dir.c:1353 __kernfs_remove() warn: variable dereferenced before check 'kn' (see line 1346)

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50	Patch
https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a	Patch
https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

17 Nov 2025, 19:57

Type	Values Removed	Values Added
References	~~() https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50 -~~	() https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50 - Patch
References	~~() https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a -~~	() https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a - Patch
References	~~() https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd -~~	() https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd - Patch
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
First Time		Linux linux Kernel Linux
CWE		CWE-476
CPE		cpe:2.3:o:linux:linux_kernel::::::::

Information

Published : 2025-06-18 11:15

Updated : 2025-11-17 19:57

NVD link : CVE-2022-50148

Mitre link : CVE-2022-50148

CVE.ORG link : CVE-2022-50148

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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