Linux Kernel up to 5.16-rc6 mtk_vcodec_fw_vpu.c mtk_vcodec_fw_vpu_init null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.16-rc6. This affects the function mtk_vcodec_fw_vpu_init of the file drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2022-3113. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.16-rc6 (Operating System). Affected by this vulnerability is the function mtk_vcodec_fw_vpu_init of the file drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.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. The summary by CVE is:

An issue was discovered in the Linux kernel through 5.16-rc6. mtk_vcodec_fw_vpu_init in drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c lacks check of the return value of devm_kzalloc() and will cause the null pointer dereference.

The weakness was shared 12/15/2022. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2022-3113 since 09/02/2022. 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 git.kernel.org.

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

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
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

09/02/2022 🔍
12/15/2022 +104 days 🔍
12/15/2022 +0 days 🔍
01/12/2023 +28 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2022-3113 (🔍)
GCVE (CVE): GCVE-0-2022-3113
GCVE (VulDB): GCVE-100-215839

Entryinfo

Created: 12/15/2022 01:01
Updated: 01/12/2023 19:09
Changes: 12/15/2022 01:01 (42), 01/12/2023 19:09 (10)
Complete: 🔍
Cache ID: 216::103

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