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CVE-2024-49851

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: tpm: Clean up TPM space after command failure tpm_dev_transmit prepares the TPM space before attempting command transmission.

Published Oct 21, 2024CWE-459EPSS 0.22%

Overview

CVE-2024-49851 is a medium-severity vulnerability. It was published on October 21, 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:

tpm: Clean up TPM space after command failure

tpm_dev_transmit prepares the TPM space before attempting command

transmission. However if the command fails no rollback of this

preparation is done. This can result in transient handles being leaked

if the device is subsequently closed with no further commands performed.

Fix this by flushing the space in the event of command transmission

failure.

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/2c9b228938e9266a1065a3f4fe5c99b7235dc439Refgit.kernel.org/stable/c/3f9f72d843c92fb6f4ff7460d774413cde7f254cRefgit.kernel.org/stable/c/82478cb8a23bd4f97935bbe60d64528c6d9918b4Refgit.kernel.org/stable/c/87e8134c18977b566f4ec248c8a147244da69402Refgit.kernel.org/stable/c/adf4ce162561222338cf2c9a2caa294527f7f721Refgit.kernel.org/stable/c/c84ceb546f30432fccea4891163f7050f5bee5ddRefgit.kernel.org/stable/c/e3aaebcbb7c6b403416f442d1de70d437ce313a7Refgit.kernel.org/stable/c/ebc4e1f4492d114f9693950621b3ea42b2f82becReflists.debian.org/debian-lts-announce/2025/01/msg00001.htmlReflists.debian.org/debian-lts-announce/2025/03/msg00002.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-49851?

CVE-2024-49851 is a medium-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-49851?

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-2024-49851?

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-2024-49851?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-49851 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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