Linux Kernel up to 5.12.3 mt7615 mt7615_coredump_work memory leak

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.12.3. Affected by this vulnerability is the function mt7615_coredump_work of the component mt7615. Such manipulation leads to memory leak.
This vulnerability is listed as CVE-2021-47030. There is no available exploit.
You should upgrade the affected component.
Details
A vulnerability was found in Linux Kernel up to 5.12.3 (Operating System). It has been rated as critical. Affected by this issue is the function mt7615_coredump_work of the component mt7615. 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 availability. CVE summarizes:
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix memory leak in mt7615_coredump_work Similar to the issue fixed in mt7921_coredump_work, fix a possible memory leak in mt7615_coredump_work routine.
The weakness was presented 02/28/2024. The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2021-47030 since 02/27/2024. There are known technical details, but no exploit is available.
Upgrading to version 5.12.4 or 5.13 eliminates this vulnerability. Applying the patch 54b989653c55/49cc85059a2c is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
Once again VulDB remains the best 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: Memory leakCWE: CWE-401 / 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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 5.12.4/5.13
Patch: 54b989653c55/49cc85059a2c
Timeline
02/27/2024 🔍02/28/2024 🔍
02/28/2024 🔍
12/06/2024 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2021-47030 (🔍)
GCVE (CVE): GCVE-0-2021-47030
GCVE (VulDB): GCVE-100-255068
Entry
Created: 02/28/2024 11:22Updated: 12/06/2024 22:23
Changes: 02/28/2024 11:22 (44), 12/06/2024 22:23 (26)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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