CVE-2020-11608 Null dereference in n/a

Medium 4.3 Published Updated

A NULL pointer dereference in the Linux kernel's GSPCA driver allows local attackers to cause a system crash via zero endpoints.

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-2020-11608?

CVE-2020-11608 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 7 Apr 2020. 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 5.6.1. drivers/media/usb/gspca/ov519.c allows NULL pointer dereferences in ov511_mode_init_regs and ov518_mode_init_regs when there are zero endpoints, aka CID-998912346c0d.

Weakness: CWE-476

Which versions are affected by CVE-2020-11608?

It affects 2 products.

Products include Canonical Ubuntu Linux, Linux kernel.

How do I fix CVE-2020-11608?

Upgrade to a fixed version.

Is CVE-2020-11608 being exploited?

There is no known exploitation of CVE-2020-11608 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-11608, GHSA-7f4g-r3h4-p23v, UBUNTU-CVE-2020-11608.

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