Linux Kernel up to 5.10.36/5.11.20/5.12.3/5.13-rc3 eBPF ALU32 Bounds Tracking out-of-bounds

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 5.10.36/5.11.20/5.12.3/5.13-rc3. This issue affects some unknown processing of the component eBPF ALU32 Bounds Tracking. Performing a manipulation results in out-of-bounds. This vulnerability is identified as CVE-2021-3490. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 5.10.36/5.11.20/5.12.3/5.13-rc3 (Operating System). This affects some unknown processing of the component eBPF ALU32 Bounds Tracking. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 06/04/2021. The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2021-3490. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.10.37, 5.11.21, 5.12.4 or 5.13-rc4 eliminates this vulnerability. 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 the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.10.0
• 5.10.1
• 5.10.2
• 5.10.3
• 5.10.4
• 5.10.5
• 5.10.6
• 5.10.7
• 5.10.8
• 5.10.9
• 5.10.10
• 5.10.11
• 5.10.12
• 5.10.13
• 5.10.14
• 5.10.15
• 5.10.16
• 5.10.17
• 5.10.18
• 5.10.19
• 5.10.20
• 5.10.21
• 5.10.22
• 5.10.23
• 5.10.24
• 5.10.25
• 5.10.26
• 5.10.27
• 5.10.28
• 5.10.29
• 5.10.30
• 5.10.31
• 5.10.32
• 5.10.33
• 5.10.34
• 5.10.35
• 5.10.36
• 5.11.0
• 5.11.1
• 5.11.2
• 5.11.3
• 5.11.4
• 5.11.5
• 5.11.6
• 5.11.7
• 5.11.8
• 5.11.9
• 5.11.10
• 5.11.11
• 5.11.12
• 5.11.13
• 5.11.14
• 5.11.15
• 5.11.16
• 5.11.17
• 5.11.18
• 5.11.19
• 5.11.20
• 5.12.0
• 5.12.1
• 5.12.2
• 5.12.3
• 5.13-rc1
• 5.13-rc2
• 5.13-rc3

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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