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Vulnerability Details : CVE-2019-12819

An issue was discovered in the Linux kernel before 5.0. The function __mdiobus_register() in drivers/net/phy/mdio_bus.c calls put_device(), which will trigger a fixed_mdio_bus_init use-after-free. This will cause a denial of service.
Publish Date : 2019-06-14 Last Update Date : 2019-06-18
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 416

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:1567: kernel-rt security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20201567 unix
RHSA-2020:1769: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20201769 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-12819

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2019-12819

https://usn.ubuntu.com/4118-1/
UBUNTU USN-4118-1
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
https://usn.ubuntu.com/4094-1/
UBUNTU USN-4094-1
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
SUSE openSUSE-SU-2019:1579
https://security.netapp.com/advisory/ntap-20190710-0002/ CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
SUSE openSUSE-SU-2019:1570
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
SUSE openSUSE-SU-2019:1571
http://www.securityfocus.com/bid/108768
BID 108768 Linux kernel CVE-2019-12819 Local Denial of Service Vulnerability Release Date:2019-06-13
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ff7b060535e87c2ae14dd8548512abfdda528fb
https://github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fb

- Metasploit Modules Related To CVE-2019-12819

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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