Linux Kernel up to 6.3.1 saa7134-core.c saa7134_finidev use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel up to 6.3.1. The affected element is the function saa7134_finidev of the file drivers/media/pci/saa7134/saa7134-core.c. The manipulation leads to use after free. This vulnerability is traded as CVE-2023-35823. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.3.1 (Operating System) and classified as problematic. This issue affects the function saa7134_finidev of the file drivers/media/pci/saa7134/saa7134-core.c. 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 confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in saa7134_finidev in drivers/media/pci/saa7134/saa7134-core.c.

The weakness was shared 06/19/2023. The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2023-35823 since 06/18/2023. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 239859 (TencentOS Server 2: kernel (TSSA-2024:0071)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.3.2 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch 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.

The vulnerability is also documented in the databases at Tenable (239859) and EUVD (EUVD-2023-39818). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

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

NVD Base Score: 7.0
NVD Vector: 🔍

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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239859
Nessus Name: TencentOS Server 2: kernel (TSSA-2024:0071)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.3.2
Patch: git.kernel.org

Timelineinfo

06/18/2023 🔍
06/19/2023 +1 days 🔍
06/19/2023 +0 days 🔍
01/11/2026 +937 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-35823 (🔍)
GCVE (CVE): GCVE-0-2023-35823
GCVE (VulDB): GCVE-100-231809
EUVD: 🔍

Entryinfo

Created: 06/19/2023 06:44
Updated: 01/11/2026 07:49
Changes: 06/19/2023 06:44 (43), 07/14/2023 19:17 (11), 06/19/2025 16:23 (17), 01/11/2026 07:49 (1)
Complete: 🔍
Cache ID: 216::103

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

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