Linux Kernel BPF spl2sw_driver.c spl2sw_nvmem_get_mac_address use after free

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel. It has been classified as critical. The affected element is the function spl2sw_nvmem_get_mac_address of the file drivers/net/ethernet/sunplus/spl2sw_driver.c of the component BPF. Performing a manipulation results in use after free.
This vulnerability is identified as CVE-2022-3541. There is not any exploit available.
It is suggested to install a patch to address this issue.
Details
A vulnerability classified as critical has been found in Linux Kernel (Operating System) (unknown version). This affects the function spl2sw_nvmem_get_mac_address of the file drivers/net/ethernet/sunplus/spl2sw_driver.c of the component BPF. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was released 10/17/2022. The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2022-3541. 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.
Several companies clearly confirm that VulDB is the primary source for best 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: 6.3VulDB Meta Temp Score: 6.2
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CNA Base Score: 5.5
CNA Vector (VulDB): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
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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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 🔍
11/09/2022 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-3541 (🔍)
GCVE (CVE): GCVE-0-2022-3541
GCVE (VulDB): GCVE-100-211041
Entry
Created: 10/17/2022 13:16Updated: 11/09/2022 15:55
Changes: 10/17/2022 13:16 (41), 11/09/2022 15:49 (2), 11/09/2022 15:55 (21)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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