PT-2018-3502 · Qemu+2 · Qemu+2

Li Quang + 1 · Published 2018-12-13 · Updated 2024-06-15 · CVE-2018-20123

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 a memory leak in the pvrdma realize function in QEMU's PVRDMA hardware emulator. This leak occurs after an initialization error. The problem is associated with insufficient resource release after its valid lifetime has expired. Exploitation of this issue may allow an attacker to cause a denial of service.

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

Missing Release of Resource after Effective Lifetime

Weakness Enumeration

CWE-772

Related Identifiers

ALT-PU-2019-1973

ALT-PU-2019-1990

BDU:2020-03199

CVE-2018-20123

OPENSUSE-SU-2024:11287-1

USN-3923-1

Affected Products

Alt Linux

Qemu

Ubuntu

References · 205

• https://linux.oracle.com/errata/ELSA-2019-4640.html · Vendor Advisory
• https://usn.ubuntu.com/3923-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-16872 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12130 · Security Note
• https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02817.html · Patch
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20124 · Security Note
• https://ubuntu.com/security/CVE-2019-3812 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20125 · Security Note
• https://ubuntu.com/security/CVE-2018-20124 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-03199 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8934 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20216 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20126 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3812 · Security Note
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20211008SE16 · Vendor Advisory