Home/CVE/hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x m
CVE

CVE-2020-13754

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x m

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.

MEDIUM · CVSS 6.7 EPSS 0.00031
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

3
qemu<= 5.0.1
canonical ubuntu linuxall versions
debian linuxall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jun 2020 · 02:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

12
suse-csafSUSE-SU-2023:3800-1
suse-csafSUSE-SU-2023:3721-1
suse-csafSUSE-SU-2023:0761-1
suse-csafSUSE-SU-2021:1947-1
suse-csafSUSE-SU-2021:1894-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2020/06/01/6Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/06/15/8Mailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00004.htmlIssue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/202011-09Third Party Advisory
https://security.netapp.com/advisory/ntap-20200608-0007/Third Party Advisory
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