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

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
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.
Details
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.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-42540). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB 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: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
09/02/2022 🔍12/15/2022 🔍
12/15/2022 🔍
07/09/2026 🔍
Sources
Vendor: kernel.orgAdvisory: bugzilla.redhat.com
Status: Confirmed
CVE: CVE-2022-3113 (🔍)
GCVE (CVE): GCVE-0-2022-3113
GCVE (VulDB): GCVE-100-215839
EUVD: 🔍
Entry
Created: 12/15/2022 01:01Updated: 07/09/2026 14:57
Changes: 12/15/2022 01:01 (42), 01/12/2023 19:09 (10), 07/09/2026 14:57 (16)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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