UBUNTU-CVE-2023-54034

In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfioiommutype1info before copying to user Missed a zero initialization here. Most of the struct is filled with a copyfromuser, however minsz for that copy is smaller than the actual struct by 8 bytes,...

kernel: information leak in sigaltstack

The dosigaltstack function in kernel/signal.c in Linux kernel 2.4 through 2.4.37 and 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack...