PT-2018-3503 · Qemu+2 · Qemu+2

Li Quang + 1 · Published 2018-12-13 · Updated 2024-06-15 · CVE-2018-20124

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/rdma/rdma backend.c component in QEMU, which allows guest OS users to trigger out-of-bounds access. This can be achieved via a PvrdmaSqWqe ring element with a large num sge value, potentially leading to a denial of service.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2019-1973

ALT-PU-2019-1990

BDU:2020-03200

CVE-2018-20124

OPENSUSE-SU-2024:11287-1

USN-3923-1

Affected Products

Alt Linux

Qemu

Ubuntu

References · 202

• 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
• 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
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16867 · Security Note
• https://errata.altlinux.org/ALT-PU-2019-1973 · Vendor Advisory