Linux Kernel up to 6.1-rc8 dpu_crtc.c dpu_crtc_atomic_check null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.1-rc8. It has been declared as problematic. This affects the function dpu_crtc_atomic_check of the file drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c. Executing a manipulation can lead to null pointer dereference. This vulnerability is tracked as CVE-2023-3220. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.1-rc8 (Operating System) and classified as problematic. This vulnerability affects the function dpu_crtc_atomic_check of the file drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in the Linux kernel through 6.1-rc8. dpu_crtc_atomic_check in drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c lacks check of the return value of kzalloc() and will cause the NULL Pointer Dereference.

The weakness was disclosed 06/21/2023. The advisory is available at git.kernel.org. This vulnerability was named CVE-2023-3220 since 06/13/2023. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-43898). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

06/13/2023 🔍
06/21/2023 +8 days 🔍
06/21/2023 +0 days 🔍
01/26/2026 +950 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-3220 (🔍)
GCVE (CVE): GCVE-0-2023-3220
GCVE (VulDB): GCVE-100-232042
EUVD: 🔍

Entryinfo

Created: 06/21/2023 07:08
Updated: 01/26/2026 19:40
Changes: 06/21/2023 07:08 (42), 07/16/2023 09:50 (11), 01/26/2026 19:40 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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