Red Hat update for kpatch-patch

Published: 2019-12-17

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2019-19339
CWE-ID	CWE-119
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Red Hat Enterprise Linux Server Operating systems & Components / Operating system
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU23647

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-19339

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in the mechanism responsible for error handling on some Intel platforms. A local user of a guest operating system can use a specially crafted application to trigger memory corruption and cause the host system to stop responding.

Successful exploitation of this vulnerability may result in a denial of service (DoS) attack.

Note, this vulnerability exists due to incomplete patch for vulnerability CVE-2018-12207

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server: 8

CPE2.3

cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:8:*:*:*:*:red_hat_enterprise_linux:*:*

External links

http://access.redhat.com/errata/RHSA-2019:4245

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?