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CVE-2024-53187

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: io_uring: check for overflows in io_pin_pages WARNING: CPU: 0 PID: 5834 at io_uring/memmap.c:144 io_pin_pages+0x149/0x180 io_ur…

Published Dec 27, 2024CWE-190EPSS 0.24%

Overview

CVE-2024-53187 is a medium-severity vulnerability. It was published on December 27, 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:

io_uring: check for overflows in io_pin_pages

WARNING: CPU: 0 PID: 5834 at io_uring/memmap.c:144 io_pin_pages+0x149/0x180 io_uring/memmap.c:144

CPU: 0 UID: 0 PID: 5834 Comm: syz-executor825 Not tainted 6.12.0-next-20241118-syzkaller #0

Call Trace:

<TASK>

__io_uaddr_map+0xfb/0x2d0 io_uring/memmap.c:183

io_rings_map io_uring/io_uring.c:2611 [inline]

io_allocate_scq_urings+0x1c0/0x650 io_uring/io_uring.c:3470

io_uring_create+0x5b5/0xc00 io_uring/io_uring.c:3692

io_uring_setup io_uring/io_uring.c:3781 [inline]

...

</TASK>

io_pin_pages()'s uaddr parameter came directly from the user and can be

garbage. Don't just add size to it as it can overflow.

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/0c0a4eae26ac78379d0c1db053de168a8febc6c9Refgit.kernel.org/stable/c/29eac3eca72d4c2a71122050c37cd7d8f73ac4f3Refgit.kernel.org/stable/c/aaa90844afd499c9142d0199dfda74439314c013

How CyberStrike helps

Frequently asked questions

What is CVE-2024-53187?

CVE-2024-53187 is a medium-severity vulnerability. It was published on December 27, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-53187?

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-2024-53187?

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-2024-53187?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-53187 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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