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CVE-2022-49275

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: can: m_can: m_can_tx_handler(): fix use after free of skb can_put_echo_skb() will clone skb then free the skb.

Published Feb 26, 2025CWE-416EPSS 0.28%

Overview

CVE-2022-49275 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

can: m_can: m_can_tx_handler(): fix use after free of skb

can_put_echo_skb() will clone skb then free the skb. Move the

can_put_echo_skb() for the m_can version 3.0.x directly before the

start of the xmit in hardware, similar to the 3.1.x branch.

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/08d90846e438ac22dc56fc49ec0b0d195831c5edRefgit.kernel.org/stable/c/2e8e79c416aae1de224c0f1860f2e3350fa171f8Refgit.kernel.org/stable/c/31417073493f302d26ab66b3abc098d43227b835Refgit.kernel.org/stable/c/4db7d6f481990dd179a9ee7126dc7aa31ea4fff3Refgit.kernel.org/stable/c/7728d937ec403a1ceff9483023252d2cb8777f81Refgit.kernel.org/stable/c/869016a2938ac44f7b2fb7fc22c89edad99eb9b3Refgit.kernel.org/stable/c/d3892a747ab16b1eb6593a19d29f62c3b3f020acRefgit.kernel.org/stable/c/d93ed9aff64968f4cdad690712eb4f48ae537bdeRefgit.kernel.org/stable/c/f43e64076ff1b1dcb893fb77ad1204105f710a29

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49275?

CVE-2022-49275 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-49275?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49275?

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-2022-49275?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49275 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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