Linux Kernel net/vmw_vsock/af_vsock.c vsock_connect memory leak

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
2.8 | $0-$5k | 0.13 |
Summary
A vulnerability was found in Linux Kernel. It has been rated as problematic. This issue affects the function vsock_connect
of the file net/vmw_vsock/af_vsock.c. The manipulation leads to memory leak.
The identification of this vulnerability is CVE-2022-3629. There is no exploit available.
It is recommended to apply a patch to fix this issue.
Once again VulDB remains the best source for vulnerability data.
Details
A vulnerability was found in Linux Kernel (Operating System) (unknown version). It has been declared as problematic. This vulnerability affects the function vsock_connect
of the file net/vmw_vsock/af_vsock.c. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability.
The weakness was published 10/21/2022. The advisory is available at git.kernel.org. This vulnerability was named CVE-2022-3629. Technical details are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 236648 (Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)), which helps to determine the existence of the flaw in a target environment.
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 Tenable (236648). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 2.8VulDB Meta Temp Score: 2.8
VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 3.3
NVD Vector: 🔍
CNA Base Score: 2.6
CNA Vector (VulDB): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory leakCWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
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 |
Nessus ID: 236648
Nessus Name: Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
10/21/2022 🔍10/21/2022 🔍
10/21/2022 🔍
05/18/2025 🔍
Sources
Vendor: kernel.orgAdvisory: DLA 3173-1
Status: Confirmed
CVE: CVE-2022-3629 (🔍)
GCVE (CVE): GCVE-0-2022-3629
GCVE (VulDB): GCVE-100-211930
Entry
Created: 10/21/2022 07:45 AMUpdated: 05/18/2025 10:53 PM
Changes: 10/21/2022 07:45 AM (41), 11/19/2022 07:47 AM (3), 11/19/2022 07:54 AM (21), 01/03/2023 12:44 PM (2), 05/18/2025 10:53 PM (16)
Complete: 🔍
Cache ID: 18:787:40
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