Linux Kernel up to 5.15.16/5.16.2 Socket Buffer virtio_bt.c 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 described as problematic has been identified in Linux Kernel up to 5.15.16/5.16.2. Impacted is an unknown function of the file drivers/bluetooth/virtio_bt.c of the component Socket Buffer Handler. Such manipulation leads to memory leak. This vulnerability is listed as CVE-2022-26878. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.15.16/5.16.2 (Operating System) and classified as problematic. Affected by this issue is an unknown code block of the file drivers/bluetooth/virtio_bt.c of the component Socket Buffer Handler. 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 weakness was presented 03/11/2022. The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2022-26878 since 03/11/2022. Technical details are known, but there is no available exploit.

Upgrading to version 5.15.17 or 5.16.3 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Vendor

Name

Version

License

Website

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

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

NVD Base Score: 🔍

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 5.15.17/5.16.3
Patch: git.kernel.org

Timelineinfo

03/11/2022 🔍
03/11/2022 +0 days 🔍
03/11/2022 +0 days 🔍
10/11/2024 +945 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-26878 (🔍)
GCVE (CVE): GCVE-0-2022-26878
GCVE (VulDB): GCVE-100-194738

Entryinfo

Created: 03/11/2022 13:31
Updated: 10/11/2024 21:06
Changes: 03/11/2022 13:31 (43), 03/14/2022 10:18 (1), 10/11/2024 21:06 (32)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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