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. 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?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-18809 patch availability.

Is CVE-2019-18809 actively exploited?

CVE-2019-18809 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

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

10 total

GitHub
https://github.com/torvalds/linux/commit/2289adbfa559050d2a38bcd9caac1c18b800e928

Patch Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html

Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html

Third Party Advisory
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/

Showing 5 of 10 references View all on NVD

Details

CVE ID CVE-2019-18809

Severity Medium

CVSS score 4.6 / 10

CVSS version 3.1

Published 2019-11-07

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

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?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-18809 patch availability.
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.