K97457339: Linux kernel vulnerabilities CVE-2017-1000370 and CVE-2017-1000371

Security Advisory Description CVE-2017-1000370 The offset2lib patch as used in the Linux Kernel contains a vulnerability that allows a PIE binary to be execveed with 1GB of arguments or environmental strings then the stack occupies the address 0x80000000 and the PIE binary is mapped above...

Amazon Linux AMI : kernel (ALAS-2017-845) (Stack Clash)

An issue was discovered in the size of the stack guard page on Linux, specifically a 4k stack guard page is not sufficiently large and can be jmp'ed over, this affects Linux Kernel versions 4.11.5 and earlier the stackguard page was introduced in 2010. CVE-2017-1000364 The offset2lib patch as use...

CVE-2017-1000371

The offset2lib patch as used by the Linux Kernel contains a vulnerability, if RLIMITSTACK is set to RLIMINFINITY and 1 Gigabyte of memory is allocated the maximum under the 1/4 restriction then the stack will be grown down to 0x80000000, and as the PIE binary is mapped above 0x80000000 the minimu...