4.6
MEDIUM
CVE-2019-18809
DVB-USB Linux Kernel Memory Leak
Description

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.

INFO

Published Date :

Nov. 7, 2019, 4:15 p.m.

Last Modified :

Nov. 7, 2023, 3:07 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2019-18809 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Canonical ubuntu_linux
1 Fedoraproject fedora
1 Debian debian_linux
1 Opensuse leap
: Total Affected Vendor : 5 | Products : 5
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-18809.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html Third Party Advisory
https://github.com/torvalds/linux/commit/2289adbfa559050d2a38bcd9caac1c18b800e928 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/
https://security.netapp.com/advisory/ntap-20191205-0001/ Third Party Advisory
https://usn.ubuntu.com/4285-1/ Third Party Advisory
https://usn.ubuntu.com/4287-1/ Third Party Advisory
https://usn.ubuntu.com/4287-2/ Third Party Advisory
https://usn.ubuntu.com/4300-1/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-18809 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-18809 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-400 CWE-401
  • Modified Analysis by [email protected]

    Apr. 17, 2020

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:C)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/ Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/ Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20191205-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20191205-0001/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4285-1/ No Types Assigned https://usn.ubuntu.com/4285-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4287-1/ No Types Assigned https://usn.ubuntu.com/4287-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4287-2/ No Types Assigned https://usn.ubuntu.com/4287-2/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4300-1/ No Types Assigned https://usn.ubuntu.com/4300-1/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 19, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4300-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 02, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 02, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4287-2/ [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 25, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4287-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 24, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4285-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 12, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 07, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/ [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 06, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/ [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 05, 2019

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20191205-0001/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 08, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/torvalds/linux/commit/2289adbfa559050d2a38bcd9caac1c18b800e928 No Types Assigned https://github.com/torvalds/linux/commit/2289adbfa559050d2a38bcd9caac1c18b800e928 Patch, Third Party Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.3.9
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-18809 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-18809 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.40 }} 0.15%

score

0.74083

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: