CVE-2022-50538
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-07

Last updated on: 2026-02-26

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: vme: Fix error not catched in fake_init() In fake_init(), __root_device_register() is possible to fail but it's ignored, which can cause unregistering vme_root fail when exit. general protection fault, probably for non-canonical address 0xdffffc000000008c KASAN: null-ptr-deref in range [0x0000000000000460-0x0000000000000467] RIP: 0010:root_device_unregister+0x26/0x60 Call Trace: <TASK> __x64_sys_delete_module+0x34f/0x540 do_syscall_64+0x38/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd Return error when __root_device_register() fails.
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Meta Information
Published
2025-10-07
Last Modified
2026-02-26
Generated
2026-06-16
AI Q&A
2025-10-07
EPSS Evaluated
2026-06-14
NVD
CVE-2022-50538
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 4.10 (inc) to 4.14.303 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

This vulnerability occurs in the Linux kernel within the fake_init() function. The function __root_device_register() can fail, but this failure is ignored, which may cause the unregistering of vme_root to fail during exit. This can lead to a general protection fault, potentially due to a non-canonical address, and a null pointer dereference detected by KASAN.

Impact Analysis

The impact of this vulnerability includes the possibility of a general protection fault and kernel errors such as null pointer dereferences, which can cause system instability or crashes when modules are deleted or during system exit procedures.

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