Linux Kernel up to 5.11 GPU Nouveau Driver DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel up to 5.11. Affected is the function DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC of the component GPU Nouveau Driver. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2020-25639. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 5.11 (Operating System). This affects the function DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC of the component GPU Nouveau Driver. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was disclosed 03/05/2021. The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2020-25639. Technical details are known, but no exploit is available.

Upgrading to version 5.12-rc1 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.12-rc1

Timelineinfo

09/16/2020 🔍
03/05/2021 +170 days 🔍
03/05/2021 +0 days 🔍
03/28/2021 +23 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-25639 (🔍)
GCVE (CVE): GCVE-0-2020-25639
GCVE (VulDB): GCVE-100-170697

Entryinfo

Created: 03/05/2021 07:33
Updated: 03/28/2021 12:04
Changes: 03/05/2021 07:33 (41), 03/07/2021 09:07 (5), 03/28/2021 12:04 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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