*** This bug is a security vulnerability ***
Public security bug reported:
kernel: kvm: invalid opcode oops on SET_SREGS with OSXSAVE bit set. On
hosts without the XSAVE support unprivileged local user can trigger oops
by setting X86_CR4_OSXSAVE bit in guest cr4 register using KVM_SET_SREGS
ioctl and later issuing KVM_RUN ioctl.
Break-Fix: - 6d1068b3a98519247d8ba4ec85cd40ac136dbdf9
** Affects: linux (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-armadaxp (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-fsl-imx51 (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-maverick (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-natty (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-oneiric (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-quantal (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-mvl-dove (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Lucid)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Lucid)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Lucid)
Importance: Medium
Status: New
** Affects: linux-fsl-imx51 (Ubuntu Lucid)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-maverick (Ubuntu Lucid)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-natty (Ubuntu Lucid)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-oneiric (Ubuntu Lucid)
Importance: Medium
Status: New
** Affects: linux-lts-quantal (Ubuntu Lucid)
Importance: Undecided
Status: New
** Affects: linux-mvl-dove (Ubuntu Lucid)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Lucid)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Oneiric)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Oneiric)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Oneiric)
Importance: Medium
Status: Invalid
** Affects: linux-fsl-imx51 (Ubuntu Oneiric)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-maverick (Ubuntu Oneiric)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-natty (Ubuntu Oneiric)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-oneiric (Ubuntu Oneiric)
Importance: Medium
Status: Invalid
** Affects: linux-lts-quantal (Ubuntu Oneiric)
Importance: Undecided
Status: New
** Affects: linux-mvl-dove (Ubuntu Oneiric)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Oneiric)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-fsl-imx51 (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-maverick (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-natty (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-oneiric (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-quantal (Ubuntu Precise)
Importance: Undecided
Status: New
** Affects: linux-mvl-dove (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Quantal)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Quantal)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Quantal)
Importance: Medium
Status: Invalid
** Affects: linux-fsl-imx51 (Ubuntu Quantal)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-maverick (Ubuntu Quantal)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-natty (Ubuntu Quantal)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-oneiric (Ubuntu Quantal)
Importance: Medium
Status: Invalid
** Affects: linux-lts-quantal (Ubuntu Quantal)
Importance: Undecided
Status: New
** Affects: linux-mvl-dove (Ubuntu Quantal)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Quantal)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Raring)
Importance: Medium
Status: Invalid
** Affects: linux-armadaxp (Ubuntu Raring)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Raring)
Importance: Medium
Status: Invalid
** Affects: linux-fsl-imx51 (Ubuntu Raring)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-maverick (Ubuntu Raring)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-natty (Ubuntu Raring)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-oneiric (Ubuntu Raring)
Importance: Medium
Status: Invalid
** Affects: linux-lts-quantal (Ubuntu Raring)
Importance: Undecided
Status: New
** Affects: linux-mvl-dove (Ubuntu Raring)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Raring)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Hardy)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Hardy)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Hardy)
Importance: Medium
Status: Invalid
** Affects: linux-fsl-imx51 (Ubuntu Hardy)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-maverick (Ubuntu Hardy)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-natty (Ubuntu Hardy)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-oneiric (Ubuntu Hardy)
Importance: Medium
Status: Invalid
** Affects: linux-lts-quantal (Ubuntu Hardy)
Importance: Undecided
Status: New
** Affects: linux-mvl-dove (Ubuntu Hardy)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Hardy)
Importance: Medium
Status: Invalid
** Tags: kernel-cve-tracking-bug
** Tags added: kernel-cve-tracking-bug
** Information type changed from Public to Public Security
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2012-4461
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https://bugs.launchpad.net/bugs/1089604
Title:
CVE-2012-4461
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