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CVE-2018-7273

Status Candidate

Overview

In the Linux kernel through 4.15.4, the floppy driver reveals the addresses of kernel functions and global variables using printk calls within the function show_floppy in drivers/block/floppy.c. An attacker can read this information from dmesg and use the addresses to find the locations of kernel code and data and bypass kernel security protections such as KASLR.

Related Files

Linux Kernel show_floppy KASLR Address Leak
Posted Mar 22, 2018
Authored by Gregory Draperi

Linux Kernel versions prior to 4.15.4 show_floppy KASLR address leak proof of concept exploit.

tags | exploit, kernel, proof of concept
systems | linux
advisories | CVE-2018-7273
MD5 | 6e10ab9298716b62d7143c85a42d0de1
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