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PublicDateAtUSN: 2010-02-12
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Candidate: CVE-2010-0309
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0309
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https://usn.ubuntu.com/usn/usn-914-1
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The pit_ioport_read function in the Programmable Interval Timer (PIT)
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emulation in i8254.c in KVM 83 does not properly use the pit_state data
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structure, which allows guest OS users to cause a denial of service (host
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OS crash or hang) by attempting to read the /dev/port file.
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Marcelo Tosatti discovered that the Linux kernel's hardware virtualization
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did not correctly handle reading the /dev/port special device. A local
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attacker in a guest operating system could issue a specific read that would
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cause the host system to crash, leading to a denial of service.
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Patches_linux-source-2.6.15: not-affected
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upstream_linux-source-2.6.15: not-affected
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dapper_linux-source-2.6.15: not-affected
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hardy_linux-source-2.6.15: DNE
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intrepid_linux-source-2.6.15: DNE
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jaunty_linux-source-2.6.15: DNE
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karmic_linux-source-2.6.15: DNE
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lucid_linux-source-2.6.15: DNE
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maverick_linux-source-2.6.15: DNE
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natty_linux-source-2.6.15: DNE
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devel_linux-source-2.6.15: DNE
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proposed: http://www.mail-archive.com/kvm@vger.kernel.org/msg28002.html
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upstream_linux: needed
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hardy_linux: released (2.6.24-27.68)
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intrepid_linux: released (2.6.27-17.46)
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jaunty_linux: released (2.6.28-18.60)
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karmic_linux: released (2.6.31-20.58)
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lucid_linux: not-affected
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maverick_linux: not-affected
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natty_linux: not-affected
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devel_linux: not-affected
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Patches_linux-fsl-imx51:
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upstream_linux-fsl-imx51: needs-triage
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dapper_linux-fsl-imx51: DNE
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hardy_linux-fsl-imx51: DNE
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karmic_linux-fsl-imx51: released (2.6.31-109.25)
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lucid_linux-fsl-imx51: not-affected
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maverick_linux-fsl-imx51: DNE
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natty_linux-fsl-imx51: DNE
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devel_linux-fsl-imx51: DNE
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Tags_kvm: universe-binary
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hardy_kvm: ignored (reached end-of-life)
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intrepid_kvm: needed (reached end-of-life)
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jaunty_kvm: ignored (reached end-of-life)
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upstream_linux-ec2: needed
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intrepid_linux-ec2: DNE
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karmic_linux-ec2: released (2.6.31-305.13)
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lucid_linux-ec2: not-affected
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maverick_linux-ec2: ignored (binary supplied by "linux" now)
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Patches_linux-ti-omap4:
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upstream_linux-ti-omap4: needs-triage
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dapper_linux-ti-omap4: DNE
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hardy_linux-ti-omap4: DNE
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karmic_linux-ti-omap4: DNE
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lucid_linux-ti-omap4: DNE
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maverick_linux-ti-omap4: not-affected
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natty_linux-ti-omap4: not-affected
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devel_linux-ti-omap4: not-affected
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upstream_linux-lts-backport-maverick: needed
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dapper_linux-lts-backport-maverick: DNE
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hardy_linux-lts-backport-maverick: DNE
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intrepid_linux-lts-backport-maverick: DNE
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jaunty_linux-lts-backport-maverick: DNE
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karmic_linux-lts-backport-maverick: DNE
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lucid_linux-lts-backport-maverick: not-affected
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maverick_linux-lts-backport-maverick: DNE
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natty_linux-lts-backport-maverick: DNE
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devel_linux-lts-backport-maverick: DNE
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Patches_linux-mvl-dove:
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upstream_linux-mvl-dove: needs-triage
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dapper_linux-mvl-dove: DNE
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hardy_linux-mvl-dove: DNE
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karmic_linux-mvl-dove: released (2.6.31-212.26)
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lucid_linux-mvl-dove: not-affected
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maverick_linux-mvl-dove: not-affected
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natty_linux-mvl-dove: DNE
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devel_linux-mvl-dove: DNE