Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.9.311 |
References
- https://git.kernel.org/stable/c/02cc46f397eb3691c56affbd5073e54f7a82ac32Patch
- https://git.kernel.org/stable/c/0320bac5801b31407200227173205d017488f140Patch
- https://git.kernel.org/stable/c/44e6cb3ab177faae840bb2c1ebda9a2539876184Patch
- https://git.kernel.org/stable/c/58880025e3362024f6d8ea01cb0c7a5df6c84ba6Patch
- https://git.kernel.org/stable/c/71c8df33fd777c7628f6fbc09b14e84806c55914Patch
- https://git.kernel.org/stable/c/76c94651005f58885facf9c973007f5ea01ab01fPatch
- https://git.kernel.org/stable/c/7ae2c5b89da3cfaf856df880af27d3bb32a74b3dPatch
- https://git.kernel.org/stable/c/cd9c88da171a62c4b0f1c70e50c75845969fbc18Patch
- https://git.kernel.org/stable/c/dd86064417de828ff2102ddc6049c829bf7585b4Patch
FAQ
What is CVE-2022-49122?
CVE-2022-49122 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2022-49122?
CVE-2022-49122 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-49122?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.