Linux Kernel up to 6.5.11/6.6.1 AMD Display null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
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.
Details
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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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB 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: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.5.12/6.6.2
Patch: 97ef07182ac4/8b72c5d4a5d2/0c3601a2fbfb
Timeline
05/21/2024 🔍05/21/2024 🔍
05/21/2024 🔍
11/07/2024 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2023-52862 (🔍)
GCVE (CVE): GCVE-0-2023-52862
GCVE (VulDB): GCVE-100-265647
Entry
Created: 05/21/2024 19:53Updated: 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
Be aware that VulDB is the high quality source for vulnerability data.
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