insyde Kernel up to 5.27.22/5.36.22/5.44.22/5.52.22 DMA Transaction buffer overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in insyde Kernel up to 5.27.22/5.36.22/5.44.22/5.52.22. This affects an unknown function of the component DMA Transaction Handler. The manipulation results in buffer overflow. This vulnerability is identified as CVE-2022-32267. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in insyde Kernel up to 5.27.22/5.36.22/5.44.22/5.52.22. Affected is an unknown functionality of the component DMA Transaction Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

DMA transactions which are targeted at input buffers used for the SmmResourceCheckDxe software SMI handler cause SMRAM corruption (a TOCTOU attack) DMA transactions which are targeted at input buffers used for the software SMI handler used by the SmmResourceCheckDxe driver could cause SMRAM corruption through a TOCTOU attack... This issue was discovered by Insyde engineering. Fixed in kernel Kernel 5.2: 05.27.23. Kernel 5.3: 05.36.23. Kernel 5.4: 05.44.23. Kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022046

The weakness was released 11/15/2022. The advisory is available at insyde.com. This vulnerability is traded as CVE-2022-32267 since 06/03/2022. The technical details are unknown and an exploit is not available.

Upgrading to version 5.27.23, 5.36.23, 5.44.23 or 5.52.23 eliminates this vulnerability.

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Productinfo

Vendor

• insyde

Name

• Kernel

Version

• 5.27.0
• 5.27.1
• 5.27.2
• 5.27.3
• 5.27.4
• 5.27.5
• 5.27.6
• 5.27.7
• 5.27.8
• 5.27.9
• 5.27.10
• 5.27.11
• 5.27.12
• 5.27.13
• 5.27.14
• 5.27.15
• 5.27.16
• 5.27.17
• 5.27.18
• 5.27.19
• 5.27.20
• 5.27.21
• 5.27.22
• 5.36.0
• 5.36.1
• 5.36.2
• 5.36.3
• 5.36.4
• 5.36.5
• 5.36.6
• 5.36.7
• 5.36.8
• 5.36.9
• 5.36.10
• 5.36.11
• 5.36.12
• 5.36.13
• 5.36.14
• 5.36.15
• 5.36.16
• 5.36.17
• 5.36.18
• 5.36.19
• 5.36.20
• 5.36.21
• 5.36.22
• 5.44.0
• 5.44.1
• 5.44.2
• 5.44.3
• 5.44.4
• 5.44.5
• 5.44.6
• 5.44.7
• 5.44.8
• 5.44.9
• 5.44.10
• 5.44.11
• 5.44.12
• 5.44.13
• 5.44.14
• 5.44.15
• 5.44.16
• 5.44.17
• 5.44.18
• 5.44.19
• 5.44.20
• 5.44.21
• 5.44.22
• 5.52.0
• 5.52.1
• 5.52.2
• 5.52.3
• 5.52.4
• 5.52.5
• 5.52.6
• 5.52.7
• 5.52.8
• 5.52.9
• 5.52.10
• 5.52.11
• 5.52.12
• 5.52.13
• 5.52.14
• 5.52.15
• 5.52.16
• 5.52.17
• 5.52.18
• 5.52.19
• 5.52.20
• 5.52.21
• 5.52.22

License

• commercial

CPE 2.3info

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CPE 2.2info

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Threat Intelligenceinfo

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Sourcesinfo

Entryinfo

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