Linux Kernel up to 6.5.11/6.6.1 AMD Display 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 marked as critical has been reported in Linux Kernel up to 6.5.11/6.6.1. This affects an unknown function of the component AMD Display. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2023-52862. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.5.11/6.6.1. This affects an unknown code of the component AMD Display. 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 summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null pointer dereference in error message This patch fixes a null pointer dereference in the error message that is printed when the Display Core (DC) fails to initialize. The original message includes the DC version number, which is undefined if the DC is not initialized.

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2023-52862 since 05/21/2024. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 6.5.12 or 6.6.2 eliminates this vulnerability. Applying the patch 97ef07182ac4/8b72c5d4a5d2/0c3601a2fbfb is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.1
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.5.12/6.6.2
Patch: 97ef07182ac4/8b72c5d4a5d2/0c3601a2fbfb

Timelineinfo

05/21/2024 🔍
05/21/2024 +0 days 🔍
05/21/2024 +0 days 🔍
11/07/2024 +170 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-52862 (🔍)
GCVE (CVE): GCVE-0-2023-52862
GCVE (VulDB): GCVE-100-265647

Entryinfo

Created: 05/21/2024 19:53
Updated: 11/07/2024 03:59
Changes: 05/21/2024 19:53 (20), 05/21/2024 19:54 (37), 11/07/2024 03:59 (13)
Complete: 🔍
Cache ID: 216::103

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