CVEvulnerability
CVE-2022-50538
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-10-07
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (>= 4.9 < 4.9.337)
• linux linux kernel (>= 4.10 < 4.14.303)
• linux linux kernel (>= 4.15 < 4.19.270)
• linux linux kernel (>= 4.20 < 5.4.229)
• linux linux kernel (>= 5.5 < 5.10.163)
• linux linux kernel (>= 5.11 < 5.15.86)
• linux linux kernel (>= 5.16 < 6.0.16)
• linux linux kernel (>= 6.1 < 6.1.2)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- 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 Patch