Denial of service in Linux kernel KVM



Published: 2020-04-17
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-11669
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource management error

EUVDB-ID: #VU26992

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-11669

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to resource management issue. A local user of guest operating system can perform a denial of service attack against the POWER9 KVM host.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 4.14 - 5.1.21

CPE2.3 External links

http://www.openwall.com/lists/oss-security/2020/04/15/1
http://www.openwall.com/lists/oss-security/2020/04/15/2
http://www.openwall.com/lists/oss-security/2020/04/16/2
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=53a712bae5dd919521a58d7bad773b949358add0
http://github.com/torvalds/linux/commit/53a712bae5dd919521a58d7bad773b949358add0
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.116
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.177

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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