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CVE-2016-3672

UnknownEPSS 1.17%

Last modified

CVE-2016-3672 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
1.17%

63.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
CanonicalUbuntu Linux12.04—
CanonicalUbuntu Linux14.04—
CanonicalUbuntu Linux15.10—
NovellSuse Linux Enterprise Software Development Kit12.0—
NovellSuse Linux Enterprise Desktop12.0—
NovellSuse Linux Enterprise Live Patching12.0—
NovellSuse Linux Enterprise Module For Public Cloud12.0—
NovellSuse Linux Enterprise Real Time Extension12.0Sp1
NovellSuse Linux Enterprise Server12.0—
NovellSuse Linux Enterprise Workstation Extension12.0—
LinuxLinux Kernel<= 4.5.2—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 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.
How severe is CVE-2016-3672?
Severity scoring for CVE-2016-3672 is pending analysis. The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.
How do I fix CVE-2016-3672?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-3672?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST