Linux Kernel DMA Subsystem swiotlb.c DMA_FROM_DEVICE memory leak

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.2 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Linux Kernel and classified as problematic. The impacted element is the function DMA_FROM_DEVICE of the file swiotlb.c of the component DMA Subsystem. The manipulation leads to memory leak.
This vulnerability is listed as CVE-2022-0854. The attack must be carried out locally. There is no available exploit.
Applying a patch is the recommended action to fix this issue.
Details
A vulnerability, which was classified as problematic, has been found in Linux Kernel (Operating System) (the affected version unknown). This issue affects the function DMA_FROM_DEVICE of the file swiotlb.c of the component DMA Subsystem. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is confidentiality.
The weakness was presented 03/24/2022. The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2022-0854 since 03/04/2022. Technical details are known, but no exploit is available.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.3VulDB Meta Temp Score: 3.2
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory leakCWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
03/04/2022 🔍03/24/2022 🔍
03/24/2022 🔍
03/25/2022 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-0854 (🔍)
GCVE (CVE): GCVE-0-2022-0854
GCVE (VulDB): GCVE-100-195653
Entry
Created: 03/24/2022 08:24Updated: 03/25/2022 10:54
Changes: 03/24/2022 08:24 (41), 03/25/2022 10:48 (1), 03/25/2022 10:54 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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