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CVE-2022-48967

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: NFC: nci: Bounds check struct nfc_target arrays While running under CONFIG_FORTIFY_SOURCE=y, syzkaller reported: memcpy: det…

Published Oct 21, 2024CWE-129EPSS 0.34%

Overview

CVE-2022-48967 is a high-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

NFC: nci: Bounds check struct nfc_target arrays

While running under CONFIG_FORTIFY_SOURCE=y, syzkaller reported:

memcpy: detected field-spanning write (size 129) of single field "target->sensf_res" at net/nfc/nci/ntf.c:260 (size 18)

This appears to be a legitimate lack of bounds checking in

nci_add_new_protocol(). Add the missing checks.

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/27eb2d7a1b9987b6d0429b7716b1ff3b82c4ffc9Refgit.kernel.org/stable/c/6778434706940b8fad7ef35f410d2b9929f256d2Refgit.kernel.org/stable/c/6b37f0dc0638d13a006f2f24d2f6ca61e83bc714Refgit.kernel.org/stable/c/908b2da426fe9c3ce74cf541ba40e7a4251db191Refgit.kernel.org/stable/c/cff35329070b96b4484d23f9f48a5ca2c947e750Refgit.kernel.org/stable/c/dbdcfb9f6748218a149f62468d6297ce3f014e9cRefgit.kernel.org/stable/c/e329e71013c9b5a4535b099208493c7826ee4a64Refgit.kernel.org/stable/c/f41547546db9af99da2c34e3368664d7a79cefae

How CyberStrike helps

Frequently asked questions

What is CVE-2022-48967?

CVE-2022-48967 is a high-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2022-48967?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-48967?

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-2022-48967?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-48967 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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