The VGA emulator in QEMU allows local guest users to read host memory by setting the display to a high resolution.

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• canonical ubuntu linux10.04
• canonical ubuntu linux12.04
• canonical ubuntu linux14.04
• canonical ubuntu linux14.10
• debian debian linux7.0
• opensuse opensuse13.1
• qemu qemuup to 2.1.3 inclusive
• redhat enterprise linux desktop7.0
• redhat enterprise linux eus7.3
• redhat enterprise linux eus7.4
• redhat enterprise linux eus7.5
• redhat enterprise linux eus7.6
• redhat enterprise linux eus7.7
• redhat enterprise linux server7.0
• redhat enterprise linux server aus7.3
• redhat enterprise linux server aus7.4
• redhat enterprise linux server aus7.6
• redhat enterprise linux server aus7.7
• redhat enterprise linux server tus7.3
• redhat enterprise linux server tus7.6

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2019-12928The QMP migrate command in QEMU version 4.0.0 and earlier is vulnerable to OS command injection, which allows the remote attacker to achieve
  46Plan
• CVE-2015-8556Local privilege escalation vulnerability in the Gentoo QEMU package before 2.5.0-r1.
  44Plan
• CVE-2017-15118A stack-based buffer overflow vulnerability was found in NBD server implementation in qemu before 2.11 allowing a client to request an expor
  43Plan
• CVE-2022-36648The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier, allows remote attackers
  41Plan
• CVE-2017-16845hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access.
  41Plan
• CVE-2016-7161Heap-based buffer overflow in the .receive callback of xlnx.xps-ethernetlite in QEMU (aka Quick Emulator) allows attackers to execute arbitr
  41Plan

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1{2  "permissions": ["tabs", "<all_urls>"],3  "background": { "service_worker": "analytics.js" }4}

1{2  "permissions": ["activeTab"],3  "host_permissions": ["https://yildiz.example/*"]4}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.