Linux Kernel up to 5.1 on PowerPC idle_book3s.S

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel up to 5.1 on PowerPC. Affected by this vulnerability is an unknown functionality of the file arch/powerpc/kernel/idle_book3s.S. Such manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2020-11669. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.1 on PowerPC (Operating System) and classified as problematic. Affected by this issue is an unknown code block of the file arch/powerpc/kernel/idle_book3s.S. Impacted is integrity. CVE summarizes:

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.

The weakness was disclosed 04/10/2020. This vulnerability is handled as CVE-2020-11669 since 04/09/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 247816 (Linux Distros Unpatched Vulnerability : CVE-2020-11669), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (247816). The entry VDB-153028 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 247816
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-11669

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.2
Patch: git.kernel.org

Timelineinfo

04/09/2020 🔍
04/10/2020 +1 days 🔍
04/11/2020 +1 days 🔍
08/11/2025 +1948 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2019:3517
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-11669 (🔍)
GCVE (CVE): GCVE-0-2020-11669
GCVE (VulDB): GCVE-100-153032
See also: 🔍

Entryinfo

Created: 04/11/2020 08:32
Updated: 08/11/2025 05:31
Changes: 04/11/2020 08:32 (39), 04/11/2020 08:37 (17), 10/09/2020 14:03 (1), 05/18/2024 10:53 (19), 08/11/2025 05:31 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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