Linux Kernel up to 5.16.18/5.17.1 mt7915_mcu_add_sta memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 5.16.18/5.17.1. This affects the function mt7915_mcu_add_sta. Executing a manipulation can lead to memory leak. This vulnerability appears as CVE-2022-49230. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 5.16.18/5.17.1 and classified as critical. This vulnerability affects the function mt7915_mcu_add_sta. 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. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix possible memory leak in mt7915_mcu_add_sta Free allocated skb in mt7915_mcu_add_sta routine in case of failures.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2022-49230 since 02/26/2025. There are known technical details, but no exploit is available.

Upgrading to version 5.16.19 or 5.17.2 eliminates this vulnerability. Applying the patch daf02c7e3c3dc82ffa925999597bd455cf799551/b334a245ff1d76b1e97af8cea648ea6798b9eb87/a43736cd12d82913102eb49cb56787a5553e028f 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.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB 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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: 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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.16.19/5.17.2
Patch: daf02c7e3c3dc82ffa925999597bd455cf799551/b334a245ff1d76b1e97af8cea648ea6798b9eb87/a43736cd12d82913102eb49cb56787a5553e028f

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
03/19/2025 +21 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49230 (🔍)
GCVE (CVE): GCVE-0-2022-49230
GCVE (VulDB): GCVE-100-297508

Entryinfo

Created: 02/26/2025 12:01
Updated: 03/19/2025 05:27
Changes: 02/26/2025 12:01 (58), 03/19/2025 05:27 (11)
Complete: 🔍
Cache ID: 216::103

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