Executive Summary

Informations
Name CVE-2019-14284 First vendor Publication 2019-07-26
Vendor Cve Last vendor Modification 2019-08-11

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 6.2
Base Score 6.2 Environmental Score 6.2
impact SubScore 3.6 Temporal Score 6.2
Exploitabality Sub Score 2.5
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In the Linux kernel before 5.2.3, drivers/block/floppy.c allows a denial of service by setup_format_params division-by-zero. Two consecutive ioctls can trigger the bug: the first one should set the drive geometry with .sect and .rate values that make F_SECT_PER_TRACK be zero. Next, the floppy format operation should be called. It can be triggered by an unprivileged local user even when a floppy disk has not been inserted. NOTE: QEMU creates the floppy device by default.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14284

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-369 Divide By Zero

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3333

Sources (Detail)

Source Url
BUGTRAQ https://seclists.org/bugtraq/2019/Aug/13
https://seclists.org/bugtraq/2019/Aug/18
https://seclists.org/bugtraq/2019/Aug/26
CONFIRM https://security.netapp.com/advisory/ntap-20190905-0002/
DEBIAN https://www.debian.org/security/2019/dsa-4495
https://www.debian.org/security/2019/dsa-4497
MISC http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slack...
http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice...
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice...
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3...
https://github.com/torvalds/linux/commit/f3554aeb991214cbfafd17d55e2bfddb5028...
MLIST https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html
UBUNTU https://usn.ubuntu.com/4114-1/
https://usn.ubuntu.com/4115-1/
https://usn.ubuntu.com/4116-1/
https://usn.ubuntu.com/4117-1/
https://usn.ubuntu.com/4118-1/

Alert History

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2019-09-12 12:11:03
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2019-07-26 17:19:23
  • First insertion