CVE-2023-3863

Medium

A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue.

Package Linux Kernel
Published 2023-07-24
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

4.1

out of 10
Medium
Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Weakness type

CWE-416

CVE-2023-3863 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

7 total
Showing 5 of 7 references View all on NVD

Frequently asked questions

  • What is CVE-2023-3863?

    CVE-2023-3863 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.1 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2023-3863 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2023-3863?

    CVE-2023-3863 has a CVSS score of 4.1 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N .

  • Is there a patch available for CVE-2023-3863?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2023-3863 patch availability.

  • Is CVE-2023-3863 actively exploited?

    No. CVE-2023-3863 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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