CVE-2022-50538

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux658bcdae9c6755806e66b33e29d56b33a3ff421a < e831fdd60e5863ee03173baf5a0f7c5450b44381affected
LinuxLinux658bcdae9c6755806e66b33e29d56b33a3ff421a < 69b43937f14bdc3594f57f1a507a14f3d1187136affected
LinuxLinux658bcdae9c6755806e66b33e29d56b33a3ff421a < 09be0e7ac5f9374b6f8de72c89ed67129af71f65affected
LinuxLinux658bcdae9c6755806e66b33e29d56b33a3ff421a < f3f65c4177846c483bf009f8c512ab04b3c62466affected
LinuxLinux658bcdae9c6755806e66b33e29d56b33a3ff421a < 37d3de40c1ffb6a5e626bf46ff5ef5766c824e2caffected
LinuxLinux658bcdae9c6755806e66b33e29d56b33a3ff421a < 4bc217b25ea81034fad8e33fd33e4659f086421daffected
LinuxLinux658bcdae9c6755806e66b33e29d56b33a3ff421a < a2a93546d414c7fe4862b87183fb737d1300d9d2affected
LinuxLinux658bcdae9c6755806e66b33e29d56b33a3ff421a < 60ff9bd4ffc87bace581e235a6728f5ac8e5071faffected
LinuxLinux658bcdae9c6755806e66b33e29d56b33a3ff421a < 7bef797d707f1744f71156b21d41e3b8c946631faffected
LinuxLinux4.9affected
LinuxLinux0 < 4.9unaffected
LinuxLinux4.9.337 <= 4.9.*unaffected
LinuxLinux4.14.303 <= 4.14.*unaffected
LinuxLinux4.19.270 <= 4.19.*unaffected
LinuxLinux5.4.229 <= 5.4.*unaffected
LinuxLinux5.10.163 <= 5.10.*unaffected
LinuxLinux5.15.86 <= 5.15.*unaffected
LinuxLinux6.0.16 <= 6.0.*unaffected
LinuxLinux6.1.2 <= 6.1.*unaffected
LinuxLinux6.2 <= *unaffected

Weaknesses

References