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CVE-2019-18809

Good to know:

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Date: November 7, 2019

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.

Language: C

Severity Score

Related Resources (17)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
https://github.com/torvalds/linux/commit/2289adbfa559050d2a38bcd9caac1c18b800e928
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
https://usn.ubuntu.com/4287-2/
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4300-1/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
https://usn.ubuntu.com/4287-1/
https://security-tracker.debian.org/tracker/CVE-2019-18809
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/
https://usn.ubuntu.com/4285-1/
https://access.redhat.com/security/cve/CVE-2019-18809
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/
https://nvd.nist.gov/vuln/detail/CVE-2019-18809
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-18809
https://www.mend.io/vulnerability-database/CVE-2019-18809

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Missing Release of Memory after Effective Lifetime

CWE-401

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.8

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CVSS v3.1

Base Score:
Attack Vector (AV): PHYSICAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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