Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfio_iommu_type1_info before copying to user Missed a zero initialization here. Most of the struct is filled with a copy_from_user(), however minsz for that copy is smaller than the actual struct by 8 bytes, thus we don't fill the padding.
References
- https://git.kernel.org/stable/c/7adcec686e4d699c169d34c722132b2bce5232cb
- https://git.kernel.org/stable/c/b3551ead616318ea155558cdbe7e91495b8d9b33
FAQ
What is CVE-2023-54034?
CVE-2023-54034 is a documented vulnerability. In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfio_iommu_type1_info before copying to user Missed a zero initialization here. Most of the struct is f...
How severe is CVE-2023-54034?
CVSS scoring is not yet available for CVE-2023-54034. Check NVD for updates.
Is there a patch for CVE-2023-54034?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.