pvrsrvkm.ko up to 2021-04-24 PowerVR GPU Kernel Driver PhysmemNewRamBackedPMR heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in pvrsrvkm.ko up to 2021-04-24. This affects the function PhysmemNewRamBackedPMR of the component PowerVR GPU Kernel Driver. This manipulation causes heap-based overflow. This vulnerability appears as CVE-2021-31795. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in pvrsrvkm.ko up to 2021-04-24. Affected by this vulnerability is the function PhysmemNewRamBackedPMR of the component PowerVR GPU Kernel Driver. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 04/25/2021. It is possible to read the advisory at mcyoloswagham.github.io. This vulnerability is known as CVE-2021-31795. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/24/2021 🔍
04/25/2021 +1 days 🔍
04/25/2021 +0 days 🔍
04/29/2021 +4 days 🔍

Sourcesinfo

Advisory: mcyoloswagham.github.io
Status: Not defined

CVE: CVE-2021-31795 (🔍)
GCVE (CVE): GCVE-0-2021-31795
GCVE (VulDB): GCVE-100-173863

Entryinfo

Created: 04/25/2021 07:26
Updated: 04/29/2021 14:17
Changes: 04/25/2021 07:26 (36), 04/29/2021 14:17 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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