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CVE-2016-3672

HighPublished

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...

Published: Apr 27, 2016
Updated: Aug 6, 2024
Assigning CNA: mitre
Evidence observed: Apr 6, 2016

Primary CVSS

7.8/ 10High

nvd · CVSS 3.0

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

1.2%

Low · next 30 days

Percentile: 65.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Linux Kernel (x86) - Disable ASLR by Setting the RLIMIT_STACK Resource to UnlimitedExploit
Hector Marco & Ismael Ripoll · linux_x86 · Apr 6, 2016

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