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CVE-2024-49568

9.8 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg When receiving proposal msg in server, the fields…

Published Jan 11, 2025EPSS 0.57%

Overview

CVE-2024-49568 is a critical-severity vulnerability. It was published on January 11, 2025 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:

net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg

When receiving proposal msg in server, the fields v2_ext_offset/

eid_cnt/ism_gid_cnt in proposal msg are from the remote client

and can not be fully trusted. Especially the field v2_ext_offset,

once exceed the max value, there has the chance to access wrong

address, and crash may happen.

This patch checks the fields v2_ext_offset/eid_cnt/ism_gid_cnt

before using them.

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/295a92e3df32e72aff0f4bc25c310e349d07ffbfRefgit.kernel.org/stable/c/42f6beb2d5779429417b5f8115a4e3fa695d2a6cRefgit.kernel.org/stable/c/7863c9f3d24ba49dbead7e03dfbe40deb5888fdf

How CyberStrike helps

Frequently asked questions

What is CVE-2024-49568?

CVE-2024-49568 is a critical-severity vulnerability. It was published on January 11, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-49568?

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-2024-49568?

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-2024-49568?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-49568 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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