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CVE-2022-50538

vme: Fix error not catched in fake_init() PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 658bcdae9c6755806e66b33e29d56b33a3ff421a before e831fdd60e5863ee03173baf5a0f7c5450b44381; affected 658bcdae9c6755806e66b33e29d56b33a3ff421a before 69b43937f14bdc3594f57f1a507a14f3d1187136; affected 658bcdae9c6755806e66b33e29d56b33a3ff421a before 09be0e7ac5f9374b6f8de72c89ed67129af71f65; affected 658bcdae9c6755806e66b33e29d56b33a3ff421a before f3f65c4177846c483bf009f8c512ab04b3c62466; affected 658bcdae9c6755806e66b33e29d56b33a3ff421a before 37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c; affected 658bcdae9c6755806e66b33e29d56b33a3ff421a before 4bc217b25ea81034fad8e33fd33e4659f086421d; affected 658bcdae9c6755806e66b33e29d56b33a3ff421a before a2a93546d414c7fe4862b87183fb737d1300d9d2; affected 658bcdae9c6755806e66b33e29d56b33a3ff421a before 60ff9bd4ffc87bace581e235a6728f5ac8e5071f; affected 658bcdae9c6755806e66b33e29d56b33a3ff421a before 7bef797d707f1744f71156b21d41e3b8c946631f
Linux / Linuxaffected 4.9; unaffected 0 before 4.9; unaffected 4.9.337 through 4.9.*; unaffected 4.14.303 through 4.14.*; unaffected 4.19.270 through 4.19.*; unaffected 5.4.229 through 5.4.*; unaffected 5.10.163 through 5.10.*; unaffected 5.15.86 through 5.15.*; unaffected 6.0.16 through 6.0.*; unaffected 6.1.2 through 6.1.*; unaffected 6.2 through *

CWE

No CWE identifiers supplied.

References