What’s Vulnerable › Vulnerabilities

CVE-2020-11669

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-10 · updated 2026-06-17

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

• Linux kernel: before 5.2 — fixed in 5.2
• openSUSE Leap: 15.1
• Red Hat Enterprise Linux: 7.0

How to fix

Upgrade to a fixed version: Linux kernel 5.2. Check the vendor advisory for mitigations.

References

• 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/
• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html

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