CVE-2022-49122
dm ioctl: prevent potential spectre v1 gadget
In the Linux kernel, the following vulnerability has been resolved:
dm ioctl: prevent potential spectre v1 gadget
It appears like cmd could be a Spectre v1 gadget as it's supplied by a
user and used as an array index. Prevent the contents of kernel memory
from being leaked to userspace via speculative execution by using
array_index_nospec.
Affected products
Linux · LinuxWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://git.kernel.org/stable/c/02cc46f397eb3691c56affbd5073e54f7a82ac32https://git.kernel.org/stable/c/0320bac5801b31407200227173205d017488f140https://git.kernel.org/stable/c/44e6cb3ab177faae840bb2c1ebda9a2539876184https://git.kernel.org/stable/c/58880025e3362024f6d8ea01cb0c7a5df6c84ba6https://git.kernel.org/stable/c/71c8df33fd777c7628f6fbc09b14e84806c55914https://git.kernel.org/stable/c/76c94651005f58885facf9c973007f5ea01ab01fhttps://git.kernel.org/stable/c/7ae2c5b89da3cfaf856df880af27d3bb32a74b3dhttps://git.kernel.org/stable/c/cd9c88da171a62c4b0f1c70e50c75845969fbc18https://git.kernel.org/stable/c/dd86064417de828ff2102ddc6049c829bf7585b4