CVE-2023-52688: linux kernel Double Free — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix the error handler of rfkill config When the core rfkill config throws error, it should free the allocated resources. Currently it is not freeing the core pdev create resources. Avoid this issue by calling the core pdev destroy in the error handler of core rfkill config. Found this issue in the code review and it is compile tested only.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-415 CWE-415

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.7 — 6.7.2

References

Advisories & Patches

https://git.kernel.org/stable/c/898d8b3e1414cd900492ee6a0b582f8095ba4a1a https://git.kernel.org/stable/c/b4e593a7a22fa3c7d0550ef51c90b5c21f790aa8 https://git.kernel.org/stable/c/898d8b3e1414cd900492ee6a0b582f8095ba4a1a https://git.kernel.org/stable/c/b4e593a7a22fa3c7d0550ef51c90b5c21f790aa8

Frequently Asked Questions

What is CVE-2023-52688? +

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix the error handler of rfkill config When the core rfkill config throws error, it should free the allocated resources. Currently it is not freeing the core pdev create resources. Avoid this issue by calling the core pdev destroy in the error handler of core rfkill config. Found this issue in the code review and it is compile tested only. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-52688? +

CVE-2023-52688 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-52688? +

CVE-2023-52688 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-52688? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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