Linux Kernel up to 5.10.110/5.15.33/5.16.19/5.17.2 l2cap_ecred_connect memory leak

Summaryinfo

A vulnerability marked as critical has been reported in Linux Kernel up to 5.10.110/5.15.33/5.16.19/5.17.2. The affected element is the function l2cap_ecred_connect. The manipulation leads to memory leak. This vulnerability is listed as CVE-2022-49116. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.10.110/5.15.33/5.16.19/5.17.2. It has been rated as critical. This issue affects the function l2cap_ecred_connect. 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. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use memset avoid memory leaks Use memset to initialize structs to prevent memory leaks in l2cap_ecred_connect

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2022-49116 since 02/26/2025. Technical details are known, but no exploit is available.

Upgrading to version 5.10.111, 5.15.34, 5.16.20 or 5.17.3 eliminates this vulnerability. Applying the patch 9567d54e70ff58c2695c2cc2e53c86c67551d3e6/42b6a39f439b6f37cc2024d91ce547d83290ff78/e9e55acee9b7a737ec7f5161b94a78932a5514c8/d588c183a971b85c775ad66da563ee6e8bc8158f/d3715b2333e9a21692ba16ef8645eda584a9515d 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-55098). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.10.110
• 5.15.0
• 5.15.1
• 5.15.2
• 5.15.3
• 5.15.4
• 5.15.5
• 5.15.6
• 5.15.7
• 5.15.8
• 5.15.9
• 5.15.10
• 5.15.11
• 5.15.12
• 5.15.13
• 5.15.14
• 5.15.15
• 5.15.16
• 5.15.17
• 5.15.18
• 5.15.19
• 5.15.20
• 5.15.21
• 5.15.22
• 5.15.23
• 5.15.24
• 5.15.25
• 5.15.26
• 5.15.27
• 5.15.28
• 5.15.29
• 5.15.30
• 5.15.31
• 5.15.32
• 5.15.33
• 5.16.0
• 5.16.1
• 5.16.2
• 5.16.3
• 5.16.4
• 5.16.5
• 5.16.6
• 5.16.7
• 5.16.8
• 5.16.9
• 5.16.10
• 5.16.11
• 5.16.12
• 5.16.13
• 5.16.14
• 5.16.15
• 5.16.16
• 5.16.17
• 5.16.18
• 5.16.19
• 5.17.0
• 5.17.1
• 5.17.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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