Linux Kernel up to 6.5.12/6.6.2 ath12k_htt_pull_ppdu_stats out-of-bounds

Summaryinfo

A vulnerability has been found in Linux Kernel up to 6.5.12/6.6.2 and classified as problematic. This affects the function ath12k_htt_pull_ppdu_stats. The manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2023-52827. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.5.12/6.6.2. It has been rated as problematic. This issue affects the function ath12k_htt_pull_ppdu_stats. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats() len is extracted from HTT message and could be an unexpected value in case errors happen, so add validation before using to avoid possible out-of-bound read in the following message iteration and parsing. The same issue also applies to ppdu_info->ppdu_stats.common.num_users, so validate it before using too. These are found during code review. Compile test only.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2023-52827 since 05/21/2024. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 245568 (Linux Distros Unpatched Vulnerability : CVE-2023-52827), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.5.13 or 6.6.3 eliminates this vulnerability. Applying the patch 79527c21a3ce/c9e44111da22/1bc44a505a22 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 Tenable (245568). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.5.0
• 6.5.1
• 6.5.2
• 6.5.3
• 6.5.4
• 6.5.5
• 6.5.6
• 6.5.7
• 6.5.8
• 6.5.9
• 6.5.10
• 6.5.11
• 6.5.12
• 6.6.0
• 6.6.1
• 6.6.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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