CVE-2020-11669 Information disclosure in n/a

What is CVE-2020-11669?

CVE-2020-11669 is a medium-severity vulnerability in Linux kernel, published on 10 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2020-11669?

It affects 3 products.

Products include Linux kernel, Opensuse Leap, Redhat Enterprise Linux.

How do I fix CVE-2020-11669?

Apply the vendor's patch.

Is CVE-2020-11669 being exploited?

There is no known exploitation of CVE-2020-11669 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-11669, GHSA-j84w-6r3r-7jvc, UBUNTU-CVE-2020-11669.