CVE-2020-27777

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...

Design/Logic Flaw

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...

UBUNTU-CVE-2020-27777

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...

CVE-2020-27777

The CVE-2020-27777 issue concerns the Linux kernel on PowerPC: RTAS memory accesses in the userspace-to-kernel path allow a local, root-like user on a locked-down guest (Secure Boot) running on PowerVM or KVM/pseries to escalate privileges to the running kernel. Root cause is an improper handling...

CVE-2020-27777

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...

PT-2020-6177 · Linux +8 · Linux +8

Name of the Vulnerable Software and Affected Versions: Linux affected versions not specified Description: A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. This issue allows a local user to increase their privileges to that of a running kernel on a...

SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2019:2412-1)

The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following new features were implemented : jscSLE-4875: CML New device IDs for CML jscSLE-7294: Add cpufreq driver for Raspberry Pi fate322438: Integrate P9 XIVE support on PowerVM only fate322447: Ad...

CVE-2019-12817

arch/powerpc/mm/mmucontextbook3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected...