#VU20913 NULL pointer dereference in Linux kernel - CVE-2019-15099

Vulnerability identifier: #VU20913

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-15099

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

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

Vendor: Linux Foundation

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

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

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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.