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CVE-2024-50223

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: sched/numa: Fix the potential null pointer dereference in task_numa_work() When running stress-ng-vm-segv test, we found a null…

Published Nov 9, 2024CWE-476EPSS 0.24%

Overview

CVE-2024-50223 is a medium-severity vulnerability. It was published on November 9, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. 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:

sched/numa: Fix the potential null pointer dereference in task_numa_work()

When running stress-ng-vm-segv test, we found a null pointer dereference

error in task_numa_work(). Here is the backtrace:

[323676.066985] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020

......

[323676.067108] CPU: 35 PID: 2694524 Comm: stress-ng-vm-se

......

[323676.067113] pstate: 23401009 (nzCv daif +PAN -UAO +TCO +DIT +SSBS BTYPE=--)

[323676.067115] pc : vma_migratable+0x1c/0xd0

[323676.067122] lr : task_numa_work+0x1ec/0x4e0

[323676.067127] sp : ffff8000ada73d20

[323676.067128] x29: ffff8000ada73d20 x28: 0000000000000000 x27: 000000003e89f010

[323676.067130] x26: 0000000000080000 x25: ffff800081b5c0d8 x24: ffff800081b27000

[323676.067133] x23: 0000000000010000 x22: 0000000104d18cc0 x21: ffff0009f7158000

[323676.067135] x20: 0000000000000000 x19: 0000000000000000 x18: ffff8000ad

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/9c70b2a33cd2aa6a5a59c5523ef053bd42265209Refgit.kernel.org/stable/c/ade91f6e9848b370add44d89c976e070ccb492efRefgit.kernel.org/stable/c/c60d98ef7078fc3e22b48e98eae7a897d88494ee

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50223?

CVE-2024-50223 is a medium-severity vulnerability. It was published on November 9, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-50223?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-50223?

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-2024-50223?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50223 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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