CVE-2010-0309

NameCVE-2010-0309
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-1996-1, DSA-2010-1
NVD severitymedium (attack range: remote)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
kvmsource(unstable)(unfixed)medium
kvmsourcelenny72+dfsg-5~lenny5mediumDSA-2010-1
linux-2.6source(unstable)2.6.32-8medium
linux-2.6sourceetch(not affected)
linux-2.6sourcelenny2.6.26-21lenny3mediumDSA-1996-1
linux-2.6.24source(unstable)(not affected)

Notes

[etch] - linux-2.6 <not-affected> (kvm introduced in 2.6.25)
- linux-2.6.24 <not-affected> (kvm introduced in 2.6.25)
http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git;a=commitdiff;h=336f40a728b9a4a5db5e1df5c89852c79ff95604

Search for package or bug name: Reporting problems