Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://access.redhat.com/errata/RHSA-2019:3517 ↗
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2 ↗
- https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208663.html ↗
- https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208660.html ↗
- https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208661.html ↗
- https://github.com/torvalds/linux/commit/53a712bae5dd919521a58d7bad773b949358add0 ↗
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=53a712bae5dd919521a58d7bad773b949358add0 ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html ↗
- https://security.netapp.com/advisory/ntap-20200430-0001/ ↗
- https://usn.ubuntu.com/4368-1/ ↗
- https://usn.ubuntu.com/4363-1/ ↗