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CVE-2023-52926

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: IORING_OP_READ did not correctly consume the provided buffer list when read i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUE…

Published Feb 24, 2025CWE-416EPSS 0.24%

Overview

CVE-2023-52926 is a high-severity vulnerability. It was published on February 24, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

IORING_OP_READ did not correctly consume the provided buffer list when

read i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED return).

This can lead to a potential use-after-free when the completion via

io_rw_done runs at separate context.

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/6c27fc6a783c8a77c756dd5461b15e465020d075Refgit.kernel.org/stable/c/72060434a14caea20925e492310d6e680e3f9007Refgit.kernel.org/stable/c/a08d195b586a217d76b42062f88f375a3eedda4dReflists.debian.org/debian-lts-announce/2025/03/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52926?

CVE-2023-52926 is a high-severity vulnerability. It was published on February 24, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-52926?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-52926?

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-2023-52926?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52926 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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