Linux Kernel up to 5.10.109/5.15.32/5.16.18/5.17.1 ir_toy memory leak

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel up to 5.10.109/5.15.32/5.16.18/5.17.1. This affects an unknown part of the component ir_toy. The manipulation results in an unknown weakness. This vulnerability is reported as CVE-2021-47643. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 5.10.109/5.15.32/5.16.18/5.17.1. Affected is an unknown part of the component ir_toy. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: media: ir_toy: free before error exiting Fix leak in error path.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2021-47643 since 02/26/2025. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.10.110, 5.15.33, 5.16.19 or 5.17.2 eliminates this vulnerability. Applying the patch 99e3f83539cac6884a4df02cb204a57a184ea12b/2011363c196846c083649c91ed30aeef64358d52/382e0f6958ef34eb093127b6d74c12f3b8fd0904/93ef3fdf3b6633c58f049e5a6be755777dde4340/52cdb013036391d9d87aba5b4fc49cdfc6ea4b23 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-2021-34643). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.10.109
• 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
• 5.16.0
• 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
• 5.17.0
• 5.17.1

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion