CVE-2019-18809

Medium

A memory leak in the af9005_identify_state() function in drivers/media/usb/dvb-usb/af9005.c in the Linux kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption), aka CID-2289adbfa559.

Package Linux Kernel
Published 2019-11-07
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

4.6

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

Weakness type

CWE-401

CVE-2019-18809 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2019-18809 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2019-18809?

    CVE-2019-18809 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10 , classified as a Memory Leak flaw (CWE-401) . CVE-2019-18809 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2019-18809?

    CVE-2019-18809 has a CVSS score of 4.6 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2019-18809?

    No patch is currently available for CVE-2019-18809. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2019-18809 actively exploited?

    No — CVE-2019-18809 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Memory Leak (CWE-401)?

    The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →

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