CVE-2022-50538

low-risk
Published 2025-10-07

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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (9)

Patch https://git.kernel.org/stable/c/09be0e7ac5f9374b6f8de72c89ed67129af71f65
Patch https://git.kernel.org/stable/c/37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c
Patch https://git.kernel.org/stable/c/4bc217b25ea81034fad8e33fd33e4659f086421d
Patch https://git.kernel.org/stable/c/60ff9bd4ffc87bace581e235a6728f5ac8e5071f
Patch https://git.kernel.org/stable/c/69b43937f14bdc3594f57f1a507a14f3d1187136
Patch https://git.kernel.org/stable/c/7bef797d707f1744f71156b21d41e3b8c946631f
Patch https://git.kernel.org/stable/c/a2a93546d414c7fe4862b87183fb737d1300d9d2
Patch https://git.kernel.org/stable/c/e831fdd60e5863ee03173baf5a0f7c5450b44381
Patch https://git.kernel.org/stable/c/f3f65c4177846c483bf009f8c512ab04b3c62466
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal