Linux Kernel init.c use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel. It has been classified as problematic. This affects an unknown function of the file drivers/net/wireless/mediatek/mt76/mt7921/init.c. This manipulation causes use after free. This vulnerability appears as CVE-2023-3317. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (unknown version) and classified as problematic. Affected by this vulnerability is an unknown code block of the file drivers/net/wireless/mediatek/mt76/mt7921/init.c. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 06/19/2023. It is possible to read the advisory at patchwork.kernel.org. This vulnerability is known as CVE-2023-3317 since 06/19/2023. Technical details of the vulnerability are known, but there is no available exploit.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-43985). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 7.1
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: patchwork.kernel.org

Timelineinfo

06/19/2023 🔍
06/19/2023 +0 days 🔍
06/19/2023 +0 days 🔍
01/26/2026 +952 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: patchwork.kernel.org
Status: Confirmed

CVE: CVE-2023-3317 (🔍)
GCVE (CVE): GCVE-0-2023-3317
GCVE (VulDB): GCVE-100-231943
EUVD: 🔍

Entryinfo

Created: 06/19/2023 15:26
Updated: 01/26/2026 19:51
Changes: 06/19/2023 15:26 (38), 07/15/2023 15:00 (1), 07/15/2023 15:01 (11), 01/26/2026 19:51 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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