Vulnerability Details : CVE-2020-11669
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.
Products affected by CVE-2020-11669
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11669
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11669
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
References for CVE-2020-11669
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
Release Notes;Vendor Advisory
-
https://github.com/torvalds/linux/commit/53a712bae5dd919521a58d7bad773b949358add0
powerpc/powernv/idle: Restore AMR/UAMOR/AMOR after idle · torvalds/linux@53a712b · GitHubPatch;Vendor Advisory
-
https://access.redhat.com/errata/RHSA-2019:3517
RHSA-2019:3517 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208660.html
[PATCH 4.14] powerpc/powernv/idle: Restore AMR/UAMOR/AMOR after idleMailing List;Patch;Third Party Advisory
-
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=53a712bae5dd919521a58d7bad773b949358add0
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20200430-0001/
CVE-2020-11669 Linux Kernel Vulnerability in NetApp Products | NetApp Product SecurityMailing List;Patch;Third Party Advisory
-
https://usn.ubuntu.com/4363-1/
USN-4363-1: Linux kernel vulnerabilities | Ubuntu security notices
-
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
[security-announce] openSUSE-SU-2020:0543-1: important: Security updateMailing List;Patch;Third Party Advisory
-
https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208663.html
CVE-2020-11669: Linux kernel 4.10 to 5.1: powerpc: guest can cause DoS on POWER9 KVM hostsMailing List;Patch;Third Party Advisory
-
https://usn.ubuntu.com/4368-1/
USN-4368-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208661.html
[PATCH 4.19] powerpc/powernv/idle: Restore AMR/UAMOR/AMOR after idleMailing List;Patch;Third Party Advisory
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