PRIOn knowledge basePRION:CVE-2020-11669Design/Logic Flaw
An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.
References
lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
access.redhat.com/errata/RHSA-2019:3517
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=53a712bae5dd919521a58d7bad773b949358add0
github.com/torvalds/linux/commit/53a712bae5dd919521a58d7bad773b949358add0
lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208660.html
lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208661.html
lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208663.html
security.netapp.com/advisory/ntap-20200430-0001/
usn.ubuntu.com/4363-1/
usn.ubuntu.com/4368-1/
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