The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly use the pit_state data structure, which allows guest OS users to cause a denial of service (host OS crash or hang) by attempting to read the /dev/port file.
Metrics
Affected Vendors & Products
Advisories
Source | ID | Title |
---|---|---|
![]() |
DSA-1996-1 | New Linux 2.6.26 packages fix several vulnerabilities |
![]() |
DSA-2010-1 | New kvm packages fix several vulnerabilities |
![]() |
EUVD-2010-0340 | The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly use the pit_state data structure, which allows guest OS users to cause a denial of service (host OS crash or hang) by attempting to read the /dev/port file. |
![]() |
USN-914-1 | Linux kernel vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.

Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-07T00:45:12.089Z
Reserved: 2010-01-12T00:00:00
Link: CVE-2010-0309

No data.

Status : Deferred
Published: 2010-02-12T19:30:00.627
Modified: 2025-04-11T00:51:21.963
Link: CVE-2010-0309


No data.