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high7.8Public exploit code

CVE-2016-3672

The arch_pick_mmap_layout function in arch/x86/mm/mmap.c in the Linux kernel through 4.5.2 does not properly randomize the legacy base address, which makes it …

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

The arch_pick_mmap_layout function in arch/x86/mm/mmap.c in the Linux kernel through 4.5.2 does not properly randomize the legacy base address, which makes it easier for local users to defeat the intended restrictions on the ADDR_NO_RANDOMIZE flag, and bypass the ASLR protection mechanism for a setuid or setgid program, by disabling stack-consumption resource limits.

Affected products

VendorProductAffected versions
CanonicalUbuntu Linux
Versions 12.04, 14.04, 15.10
NovellSuse Linux Enterprise Software Development Kit
Version 12.0
NovellSuse Linux Enterprise Desktop
Version 12.0
NovellSuse Linux Enterprise Live Patching
Version 12.0
NovellSuse Linux Enterprise Module For Public Cloud
Version 12.0
NovellSuse Linux Enterprise Real Time Extension
Version 12.0
NovellSuse Linux Enterprise Server
Version 12.0
NovellSuse Linux Enterprise Workstation Extension
Version 12.0
LinuxLinux Kernel
through 4.5.2

Weakness classification

CWE-254

References