CVE-2017-1000379 Memory corruption in n/a

High 7.8 Published Updated

Linux Kernel on AMD64 systems incorrectly maps memory regions, allowing attackers to manipulate the stack for code execution or privilege escalation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2017-1000379?

CVE-2017-1000379 is a high-severity memory corruption vulnerability in Linux kernel, published on 19 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Linux Kernel running on AMD64 systems will sometimes map the contents of PIE executable, the heap or ld.so to where the stack is mapped allowing attackers to more easily manipulate the stack. Linux Kernel version 4.11.5 is affected.

Which versions are affected by CVE-2017-1000379?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-1000379?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-1000379 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-1000379 exists.

Public exploit code: 1 Exploit-DB entry.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-1000379, GHSA-35p4-hgm9-xjp2, UBUNTU-CVE-2017-1000379.

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