CVE-2017-18595 Use after free in n/a
A double free vulnerability in the Linux kernel's trace buffer allocation allows attackers to potentially execute arbitrary code or escalate privileges.
- 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-2017-18595?
CVE-2017-18595 is a high-severity use after free vulnerability in Linux kernel, published on 4 Sep 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Linux kernel before 4.14.11. A double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c.
Weakness: CWE-415
Which versions are affected by CVE-2017-18595?
It affects 2 products.
Products include Linux kernel, Opensuse Leap.
How do I fix CVE-2017-18595?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-18595 being exploited?
There is no known exploitation of CVE-2017-18595 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-18595, GHSA-rqcm-ff8h-8mfx, UBUNTU-CVE-2017-18595.