vulnerability

SUSE: CVE-2020-27777: SUSE Linux Security Advisory

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Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Dec 8, 2020
Added
Dec 11, 2020
Modified
Feb 4, 2022

Description

A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down (usually due to Secure Boot) guest system running on top of PowerVM or KVM hypervisors (pseries platform) a root like local user could use this flaw to further increase their privileges to that of a running kernel.

Solutions

suse-upgrade-kernel-defaultsuse-upgrade-kernel-default-extrasuse-upgrade-kernel-docssuse-upgrade-kernel-obs-build

References

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