CVE-2017-1000407
Kernel: KVM: DoS via write flood to I/O port 0x80
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · December 1, 2017
Updated · June 28, 2026
Description
Linux kernel Virtualization Module (CONFIG_KVM) for the Intel processor family (CONFIG_KVM_INTEL) is vulnerable to a DoS issue. It could occur if a guest was to flood the I/O port 0x80 with write requests. A guest user could use this flaw to crash the host kernel resulting in DoS.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.1CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0 · 4.6AV:A/AC:H/Au:N/C:N/I:N/A:C
CWE-248 · Uncaught Exception