PT-2018-3376 · Qemu+3 · Qemu+3

Zhibin Hu · Published 2018-11-08 · Updated 2020-05-12 · CVE-2018-19364

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: QEMU (affected versions not specified)

Description: The issue is related to the hw/9pfs/cofile.c and hw/9pfs/9p.c components in QEMU, where a race condition can occur, allowing a thread to modify an fid path while it is being accessed by another thread. This can lead to a use-after-free outcome, potentially causing a denial of service. The exploitation of this issue may allow an attacker to cause a service disruption.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2018-2870

BDU:2020-00698

CVE-2018-19364

DLA-1646-1

DSA-4454-1

DSA-4454-2

OPENSUSE-SU-2019:0254-1

OPENSUSE-SU-2019_0254-1

OPENSUSE-SU-2019_1074-1

SUSE-SU-2019:0423-1

SUSE-SU-2019:0435-1

SUSE-SU-2019:0457-1

SUSE-SU-2019:0471-1

SUSE-SU-2019:0471-2

SUSE-SU-2019:0489-1

SUSE-SU-2019:0582-1

SUSE-SU-2019:13962-1

SUSE-SU-2019_0457-1

SUSE-SU-2019_13962-1

USN-3826-1

Affected Products

Alt Linux

Qemu

Suse

Ubuntu

References · 136

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16847 · Security Note
• https://security-tracker.debian.org/tracker/DLA-1646-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-19364 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2019:0435-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-00756 · Security Note
• https://osv.dev/vulnerability/DSA-4454-2 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17963 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2019:13962-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-00721 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11806 · Security Note
• https://usn.ubuntu.com/3826-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12617 · Security Note
• https://bdu.fstec.ru/vul/2020-00700 · Security Note
• https://osv.dev/vulnerability/CVE-2018-19364 · Vendor Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.html · Vendor Advisory