Vulnerability identifier: #VU27875

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2020-11668

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the drivers/media/usb/gspca/xirlink_cit.c in Xirlink camera USB driver. A local user can pass specially crafted data to the driver and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 5.6

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CPE

• cpe:2.3:o:linux_foundation:linux_kernel:5.6:*:*:*:*:*:*:*

External links
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
http://github.com/torvalds/linux/commit/a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
http://security.netapp.com/advisory/ntap-20200430-0004/
http://usn.ubuntu.com/4345-1/

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?