CVE-2023-52687: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: safexcel - Add error handling for dma_map_sg() calls Macro dma_map_sg() may return 0 on error. This patch enables checks in case of the macro failure and ensures unmapping of previously mapped buffers with dma_unmap_sg(). Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-252 CWE-252

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.1 — 6.1.75
linux	linux_kernel	6.2 — 6.6.14
linux	linux_kernel	6.7 — 6.7.2

References

Advisories & Patches

https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2 https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8 https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4 https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2 https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8 https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4

Frequently Asked Questions

What is CVE-2023-52687? +

In the Linux kernel, the following vulnerability has been resolved: crypto: safexcel - Add error handling for dma_map_sg() calls Macro dma_map_sg() may return 0 on error. This patch enables checks in case of the macro failure and ensures unmapping of previously mapped buffers with dma_unmap_sg(). Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-52687? +

CVE-2023-52687 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-52687? +

CVE-2023-52687 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-2023-52687? +

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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