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PublicDateAtUSN: 2011-12-23
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Candidate: CVE-2011-4621
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4621
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https://lkml.org/lkml/2010/11/20/212
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https://usn.ubuntu.com/usn/usn-1081-1
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https://usn.ubuntu.com/usn/usn-1212-1
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https://usn.ubuntu.com/usn/usn-1394-1
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https://usn.ubuntu.com/usn/usn-1187-1
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The Linux kernel before 2.6.37 does not properly implement a certain
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clock-update optimization, which allows local users to cause a denial of
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service (system hang) via an application that executes code in a loop.
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It was discovered that some import kernel threads can be blocked by a user
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level process. An unprivileged local user could exploit this flaw to cause
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https://bugzilla.redhat.com/show_bug.cgi?id=769711
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https://launchpad.net/bugs/911401
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break-fix: a64692a3afd85fe048551ab89142fd5ca99a0dbd f26f9aff6aaf67e9a430d16c266f91b13a5bff64
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upstream_linux: released (2.6.37~rc7)
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hardy_linux: not-affected
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lucid_linux: not-affected
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maverick_linux: released (2.6.35-27.47)
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natty_linux: not-affected (2.6.37-11.25)
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oneiric_linux: not-affected (2.6.39-0.0)
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precise_linux: not-affected (3.1.0-1.1)
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quantal_linux: not-affected (3.1.0-1.0)
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devel_linux: not-affected (3.1.0-1.0)
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upstream_linux-ec2: released (2.6.37~rc7)
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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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oneiric_linux-ec2: DNE
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precise_linux-ec2: DNE
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quantal_linux-ec2: DNE
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Patches_linux-mvl-dove:
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upstream_linux-mvl-dove: released (2.6.37~rc7)
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hardy_linux-mvl-dove: DNE
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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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oneiric_linux-mvl-dove: DNE
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precise_linux-mvl-dove: DNE
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quantal_linux-mvl-dove: DNE
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devel_linux-mvl-dove: DNE
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Patches_linux-ti-omap4:
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upstream_linux-ti-omap4: released (2.6.37~rc7)
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hardy_linux-ti-omap4: DNE
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lucid_linux-ti-omap4: DNE
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maverick_linux-ti-omap4: released (2.6.35-903.30)
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natty_linux-ti-omap4: released (2.6.38-1201.2)
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oneiric_linux-ti-omap4: not-affected (2.6.38-1309.13)
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precise_linux-ti-omap4: not-affected (3.0.0-1401.2)
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quantal_linux-ti-omap4: not-affected (3.0.0-1401.2)
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devel_linux-ti-omap4: not-affected (3.0.0-1401.2)
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Patches_linux-lts-backport-maverick:
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upstream_linux-lts-backport-maverick: released (2.6.37~rc7)
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hardy_linux-lts-backport-maverick: DNE
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lucid_linux-lts-backport-maverick: released (2.6.35-28.50~lucid1)
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maverick_linux-lts-backport-maverick: DNE
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natty_linux-lts-backport-maverick: DNE
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oneiric_linux-lts-backport-maverick: DNE
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precise_linux-lts-backport-maverick: DNE
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quantal_linux-lts-backport-maverick: DNE
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devel_linux-lts-backport-maverick: DNE
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Patches_linux-fsl-imx51:
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upstream_linux-fsl-imx51: released (2.6.37~rc7)
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hardy_linux-fsl-imx51: DNE
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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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oneiric_linux-fsl-imx51: DNE
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precise_linux-fsl-imx51: DNE
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quantal_linux-fsl-imx51: DNE
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devel_linux-fsl-imx51: DNE
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Patches_linux-lts-backport-natty:
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upstream_linux-lts-backport-natty: released (2.6.37~rc7)
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hardy_linux-lts-backport-natty: DNE
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lucid_linux-lts-backport-natty: not-affected (2.6.38-1.27~lucid1)
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maverick_linux-lts-backport-natty: DNE
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natty_linux-lts-backport-natty: DNE
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oneiric_linux-lts-backport-natty: DNE
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precise_linux-lts-backport-natty: DNE
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quantal_linux-lts-backport-natty: DNE
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devel_linux-lts-backport-natty: DNE
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Patches_linux-lts-backport-oneiric:
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upstream_linux-lts-backport-oneiric: released (2.6.37~rc7)
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hardy_linux-lts-backport-oneiric: DNE
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lucid_linux-lts-backport-oneiric: not-affected (3.0.0-5.6~lucid1)
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maverick_linux-lts-backport-oneiric: DNE
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natty_linux-lts-backport-oneiric: DNE
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oneiric_linux-lts-backport-oneiric: DNE
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precise_linux-lts-backport-oneiric: DNE
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quantal_linux-lts-backport-oneiric: DNE
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devel_linux-lts-backport-oneiric: DNE
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Patches_linux-armadaxp:
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upstream_linux-armadaxp: released (2.6.37~rc7)
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hardy_linux-armadaxp: DNE
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lucid_linux-armadaxp: DNE
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natty_linux-armadaxp: DNE
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oneiric_linux-armadaxp: DNE
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precise_linux-armadaxp: not-affected (3.2.0-1600.1)
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quantal_linux-armadaxp: not-affected (3.2.0-1602.5)
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devel_linux-armadaxp: not-affected (3.2.0-1602.5)