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CVE-2023-52755

9.8 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab out of bounds write in smb_inherit_dacl() slab out-of-bounds write is caused by that offsets is bigger than pnt…

Published May 21, 2024CWE-787EPSS 28.13%

Overview

CVE-2023-52755 is a critical-severity vulnerability. It was published on May 21, 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:

ksmbd: fix slab out of bounds write in smb_inherit_dacl()

slab out-of-bounds write is caused by that offsets is bigger than pntsd

allocation size. This patch add the check to validate 3 offsets using

allocation size.

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/09d9d8b40a3338193619c14ed4dc040f4f119e70Refgit.kernel.org/stable/c/712e01f32e577e7e48ab0adb5fe550646a3d93cbRefgit.kernel.org/stable/c/8387c94d73ec66eb597c7a23a8d9eadf64bfbafaRefgit.kernel.org/stable/c/aaf0a07d60887d6c36fc46a24de0083744f07819Refgit.kernel.org/stable/c/eebff19acaa35820cb09ce2ccb3d21bee2156ffbRefgit.kernel.org/stable/c/09d9d8b40a3338193619c14ed4dc040f4f119e70Refgit.kernel.org/stable/c/712e01f32e577e7e48ab0adb5fe550646a3d93cbRefgit.kernel.org/stable/c/8387c94d73ec66eb597c7a23a8d9eadf64bfbafaRefgit.kernel.org/stable/c/aaf0a07d60887d6c36fc46a24de0083744f07819Refgit.kernel.org/stable/c/eebff19acaa35820cb09ce2ccb3d21bee2156ffb

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52755?

CVE-2023-52755 is a critical-severity vulnerability. It was published on May 21, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-52755?

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-2023-52755?

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-2023-52755?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52755 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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