CVE-2020-11669 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html https://access.redhat.com/errata/RHSA-2019:3517 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=53a712bae5dd919521a58d7bad773b949358add0 https://github.com/torvalds/linux/commit/53a712bae5dd919521a58d7bad773b949358add0 https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208660.html https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208661.html https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208663.html https://security.netapp.com/advisory/ntap-20200430-0001/ https://usn.ubuntu.com/4363-1/ https://usn.ubuntu.com/4368-1/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5