CVE-2022-50538

MEDIUM EPSS 4.2%
Published Oct 7, 20258mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 7, 2025 8mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥4.9  –  <4.9.337
linuxlinux_kernel*≥4.10  –  <4.14.303
linuxlinux_kernel*≥4.15  –  <4.19.270
linuxlinux_kernel*≥4.20  –  <5.4.229
linuxlinux_kernel*≥5.5  –  <5.10.163
linuxlinux_kernel*≥5.11  –  <5.15.86
linuxlinux_kernel*≥5.16  –  <6.0.16
linuxlinux_kernel*≥6.1  –  <6.1.2

References 9

  • git.kernel.org https://git.kernel.org/stable/c/09be0e7ac5f9374b6f8de72c89ed67129af71f65
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4bc217b25ea81034fad8e33fd33e4659f086421d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/60ff9bd4ffc87bace581e235a6728f5ac8e5071f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/69b43937f14bdc3594f57f1a507a14f3d1187136
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7bef797d707f1744f71156b21d41e3b8c946631f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a2a93546d414c7fe4862b87183fb737d1300d9d2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e831fdd60e5863ee03173baf5a0f7c5450b44381
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f3f65c4177846c483bf009f8c512ab04b3c62466
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/09be0e7ac5f9374b6f8de72c89ed67129af71f65
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4bc217b25ea81034fad8e33fd33e4659f086421d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/60ff9bd4ffc87bace581e235a6728f5ac8e5071f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/69b43937f14bdc3594f57f1a507a14f3d1187136
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7bef797d707f1744f71156b21d41e3b8c946631f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a2a93546d414c7fe4862b87183fb737d1300d9d2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e831fdd60e5863ee03173baf5a0f7c5450b44381
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f3f65c4177846c483bf009f8c512ab04b3c62466
    Patch