What’s Vulnerable › Vulnerabilities

CVE-2017-12809

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-23 · updated 2026-06-17
• Weakness: CWE-476

Description

QEMU (aka Quick Emulator), when built with the IDE disk and CD/DVD-ROM Emulator support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by flushing an empty CDROM device drive.

Affected products

• Debian Linux: 9.0
• QEMU: through 2.9.1; 2.10.0-rc0, 2.10.0-rc1, 2.10.0-rc2

References

• http://www.debian.org/security/2017/dsa-3991
• http://www.openwall.com/lists/oss-security/2017/08/21/2
• http://www.securityfocus.com/bid/100451
• https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01850.html
• http://www.debian.org/security/2017/dsa-3991
• http://www.openwall.com/lists/oss-security/2017/08/21/2
• http://www.securityfocus.com/bid/100451
• https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01850.html

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