NULL pointer dereference in Linux kernel

1) NULL pointer dereference

EUVDB-ID: #VU20913

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15099

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the "drivers/net/wireless/ath/ath10k/usb.c". A remote attacker can trigger denial of service conditions via an incomplete address in an endpoint descriptor.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.2 - 5.2.8

External links

http://lore.kernel.org/linux-wireless/20190804003101.11541-1-benquike@gmail.com/T/#u

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.