#VU26992 Resource management error in Linux kernel - CVE-2020-11669
Published: April 17, 2020 / Updated: May 30, 2020
Vulnerability identifier: #VU26992
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-11669
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
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.
Remediation
Install updates from vendor's website.
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
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=53a712bae5dd919521a58d7bad773b949358add0
- https://github.com/torvalds/linux/commit/53a712bae5dd919521a58d7bad773b949358add0
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.116
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.177