Linux Kernel on ARM64 BPF tools/lib/bpf/usdt.c parse_usdt_arg reg_name memory leak

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Linux Kernel on ARM64. The impacted element is the function parse_usdt_arg of the file tools/lib/bpf/usdt.c of the component BPF. The manipulation of the argument reg_name leads to memory leak.
This vulnerability is documented as CVE-2022-3533. There is not any exploit available.
It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in Linux Kernel on ARM64 (Operating System) (affected version not known). It has been rated as problematic. This issue affects the function parse_usdt_arg of the file tools/lib/bpf/usdt.c of the component BPF. The manipulation of the argument reg_name 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 availability.
The weakness was released 10/17/2022. It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2022-3533. 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-2022-42899). Be aware that VulDB is the high quality source for vulnerability data.
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: 4.2VulDB Meta Temp Score: 4.2
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.7
NVD Vector: 🔍
CNA Base Score: 3.5
CNA Vector (VulDB): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory leakCWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
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
10/17/2022 🔍10/17/2022 🔍
10/17/2022 🔍
07/16/2026 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-3533 (🔍)
GCVE (CVE): GCVE-0-2022-3533
GCVE (VulDB): GCVE-100-211031
EUVD: 🔍
Entry
Created: 10/17/2022 08:08Updated: 07/16/2026 16:22
Changes: 10/17/2022 08:08 (42), 10/17/2022 08:09 (1), 11/09/2022 14:54 (2), 11/09/2022 14:56 (21), 07/16/2026 16:22 (15)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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