CVE-2020-27777
Vulnerability from cvelistv5
Published
2020-12-15 16:57
Modified
2024-08-04 16:25
Severity ?
Summary
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.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1900844Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=bd59380c5ba4147dcbaad3e582b55ccfd120b764Exploit, Patch, Vendor Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2020/10/09/1Exploit, Mailing List, Patch, Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2020/11/23/2Mailing List, Third Party Advisory
Impacted products
n/akernel
Show details on NVD website

To clipboard 

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