CVE-2018-19489

Severity CVSS v4.0:

Pending analysis

Type:

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Publication date:

13/12/2018

Last modified:

07/11/2023

Description

v9fs_wstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service (crash) because of a race condition during file renaming.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 4.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

4.70

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 1.90 LOW
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

1.90

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:qemu:qemu::::::::		3.0.0 (including)
cpe:2.3:a:qemu:qemu:3.1.0:rc0::::::
cpe:2.3:a:qemu:qemu:3.1.0:rc1::::::
cpe:2.3:a:qemu:qemu:3.1.0:rc2::::::
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:fedoraproject:fedora:29:::::::*
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
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:18.10:::::::*
cpe:2.3:o:opensuse:leap:42.3:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:qemu:qemu::::::::		3.0.0 (including)
cpe:2.3:a:qemu:qemu:3.1.0:rc0::::::
cpe:2.3:a:qemu:qemu:3.1.0:rc1::::::
cpe:2.3:a:qemu:qemu:3.1.0:rc2::::::
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:fedoraproject:fedora:29:::::::*
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
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:18.10:::::::*
cpe:2.3:o:opensuse:leap:42.3:::::::*

CVE-2018-19489

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools