Summaryinfo

A vulnerability was found in Linux Kernel up to 6.6.14/6.7.2. It has been classified as critical. This issue affects the function pmic_glink_altmode of the component qcom. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2023-52495. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.6.14/6.7.2 (Operating System) and classified as critical. This issue affects the function pmic_glink_altmode of the component qcom. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: pmic_glink_altmode: fix port sanity check The PMIC GLINK altmode driver currently supports at most two ports. Fix the incomplete port sanity check on notifications to avoid accessing and corrupting memory beyond the port array if we ever get a notification for an unsupported port.

The weakness was released 02/29/2024. The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2023-52495 since 02/20/2024. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/15/2025).

Upgrading to version 6.6.15, 6.7.3 or 6.8-rc1 eliminates this vulnerability. Applying the patch 532a5557da68/d26edf4ee367/c4fb7d2eac9f 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.

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Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.6.0
• 6.6.1
• 6.6.2
• 6.6.3
• 6.6.4
• 6.6.5
• 6.6.6
• 6.6.7
• 6.6.8
• 6.6.9
• 6.6.10
• 6.6.11
• 6.6.12
• 6.6.13
• 6.6.14
• 6.7.0
• 6.7.1
• 6.7.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

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CPE 2.2info

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