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CVE-2023-52687

9.8 · CRITICAL

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.

Published May 17, 2024CWE-252EPSS 0.60%

Overview

CVE-2023-52687 is a critical-severity vulnerability. It was published on May 17, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ecRefgit.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2Refgit.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8Refgit.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4Refgit.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ecRefgit.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2Refgit.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8Refgit.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52687?

CVE-2023-52687 is a critical-severity vulnerability. It was published on May 17, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-52687?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-52687?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-52687?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52687 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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