Vulnerability identifier: #VU26992

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-11669

CWE-ID: CWE-399

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 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

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CPE

• cpe:2.3:o:linux_foundation:linux_kernel:5.0:*:*:*:*:*:*:*

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

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?