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CVE-2024-50152

9.8 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix possible double free in smb2_set_ea() Clang static checker(scan-build) warning： fs/smb/client/smb2ops.c:1304:2…

Published Nov 7, 2024CWE-415EPSS 0.48%

Overview

CVE-2024-50152 is a critical-severity vulnerability. It was published on November 7, 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:

smb: client: fix possible double free in smb2_set_ea()

Clang static checker(scan-build) warning：

fs/smb/client/smb2ops.c:1304:2: Attempt to free released memory.

1304 | kfree(ea);

| ^~~~~~~~~

There is a double free in such case:

'ea is initialized to NULL' -> 'first successful memory allocation for

ea' -> 'something failed, goto sea_exit' -> 'first memory release for ea'

-> 'goto replay_again' -> 'second goto sea_exit before allocate memory

for ea' -> 'second memory release for ea resulted in double free'.

Re-initialie 'ea' to NULL near to the replay_again label, it can fix this

double free problem.

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/19ebc1e6cab334a8193398d4152deb76019b5d34Refgit.kernel.org/stable/c/b1813c220b76f60b1727984794377c4aa849d4c1Refgit.kernel.org/stable/c/c9f758ecf2562dfdd4adf12c22921b5de8366123

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50152?

CVE-2024-50152 is a critical-severity vulnerability. It was published on November 7, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-50152?

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-2024-50152?

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-2024-50152?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50152 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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