6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
37.5%
The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU
before 2.3.1 does not distinguish between read lengths and write lengths,
which might allow guest OS users to execute arbitrary code on the host OS
by triggering use of an invalid index.
Author | Note |
---|---|
sbeattie | introduced in 0505bcdec8228d8de39ab1a02644e71999e7c05, 1.3.0 first version |