Samsung Exynos Exynos DRM HDR driver use after free

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k1.04

Summaryinfo

A vulnerability was found in Samsung Exynos and classified as problematic. Affected is an unknown function of the component Exynos DRM HDR driver. Such manipulation leads to use after free. This vulnerability is listed as CVE-2026-23787. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Samsung Exynos (the affected version is unknown) and classified as problematic. Affected by this issue is an unknown code of the component Exynos DRM HDR driver. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is integrity, and availability. CVE summarizes:

An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. A Use-After-Free in the Exynos DRM HDR driver (due to improper cleanup upon vmap failure) leads to a kernel crash.

The advisory is available at semiconductor.samsung.com. This vulnerability is handled as CVE-2026-23787 since 01/16/2026. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

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

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Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.4
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.2
CNA Vector (MITRE): 🔒

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
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

01/16/2026 CVE reserved
09/14/2026 +240 days Advisory disclosed
09/14/2026 +0 days VulDB entry created
09/14/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Not defined

CVE: CVE-2026-23787 (🔒)
GCVE (CVE): GCVE-0-2026-23787
GCVE (VulDB): GCVE-100-403358

Entryinfo

Created: 09/14/2026 02:53
Changes: 09/14/2026 02:53 (60)
Complete: 🔍
Cache ID: 216::103

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