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CVE-2024-46745

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: Input: uinput - reject requests with unreasonable number of slots When exercising uinput interface syzkaller may try setting u…

Published Sep 18, 2024CWE-770EPSS 0.28%

Overview

CVE-2024-46745 is a medium-severity vulnerability. It was published on September 18, 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:

Input: uinput - reject requests with unreasonable number of slots

When exercising uinput interface syzkaller may try setting up device

with a really large number of slots, which causes memory allocation

failure in input_mt_init_slots(). While this allocation failure is

handled properly and request is rejected, it results in syzkaller

reports. Additionally, such request may put undue burden on the

system which will try to free a lot of memory for a bogus request.

Fix it by limiting allowed number of slots to 100. This can easily

be extended if we see devices that can track more than 100 contacts.

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/206f533a0a7c683982af473079c4111f4a0f9f5eRefgit.kernel.org/stable/c/51fa08edd80003db700bdaa099385c5900d27f4bRefgit.kernel.org/stable/c/597ff930296c4c8fc6b6a536884d4f1a7187ec70Refgit.kernel.org/stable/c/61df76619e270a46fd427fbdeb670ad491c42de2Refgit.kernel.org/stable/c/9719687398dea8a6a12a10321a54dd75eec7ab2dRefgit.kernel.org/stable/c/9c6d189f0c1c59ba9a32326ec82a0b367a3cd47bRefgit.kernel.org/stable/c/a4858b00a1ec57043697fb935565fe267f161833Refgit.kernel.org/stable/c/d76fc0f0b18d49b7e721c9e4975ef4bffde2f3e7Reflists.debian.org/debian-lts-announce/2024/10/msg00003.htmlReflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-46745?

CVE-2024-46745 is a medium-severity vulnerability. It was published on September 18, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-46745?

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-2024-46745?

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-2024-46745?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-46745 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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