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CVE-2024-50283

9.8 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-use-after-free in smb3_preauth_hash_rsp ksmbd_user_session_put should be called under smb3_preauth_hash_rsp().

Published Nov 19, 2024CWE-416EPSS 0.62%

Overview

CVE-2024-50283 is a critical-severity vulnerability. It was published on November 19, 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-use-after-free in smb3_preauth_hash_rsp

ksmbd_user_session_put should be called under smb3_preauth_hash_rsp().

It will avoid freeing session before calling smb3_preauth_hash_rsp().

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/1b6ad475d4ed577d34e0157eb507be00c588bf5cRefgit.kernel.org/stable/c/b8fc56fbca7482c1e5c0e3351c6ae78982e25adaRefgit.kernel.org/stable/c/c6cdc08c25a868a08068dfc319fa9fce982b8e7fRefgit.kernel.org/stable/c/cb645064e0811053c94e86677f2e58ed29359d62Refgit.kernel.org/stable/c/f7557bbca40d4ca8bb1c6c940ac6c95078bd0827Reflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50283?

CVE-2024-50283 is a critical-severity vulnerability. It was published on November 19, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-50283?

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-2024-50283?

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-2024-50283?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50283 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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