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CVE-2009-3638

Publication date 29 October 2009

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.31.4 allows local users to have an unspecified impact via a KVM_GET_SUPPORTED_CPUID request to the kvm_arch_dev_ioctl function.

From the Ubuntu Security Team

David Wagner discovered that KVM did not correctly bounds-check CPUID entries. A local attacker could exploit this to crash the system or possibly gain elevated privileges. Ubuntu 6.06 and 9.10 were not affected.

Status

Package Ubuntu Release Status
kvm 11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid Not in release
9.10 karmic Not in release
9.04 jaunty Ignored end of life
8.10 intrepid Ignored end of life, was needs-triage
8.04 LTS hardy Ignored end of life
6.06 LTS dapper Not in release
linux 11.04 natty
Not affected
10.10 maverick
Not affected
10.04 LTS lucid
Not affected
9.10 karmic
Not affected
9.04 jaunty
Fixed 2.6.28-17.58
8.10 intrepid
Fixed 2.6.27-16.44
8.04 LTS hardy
Fixed 2.6.24-26.64
6.06 LTS dapper Not in release
linux-ec2 11.04 natty Not in release
10.10 maverick Ignored end of life
10.04 LTS lucid
Not affected
9.10 karmic
Not affected
9.04 jaunty Not in release
8.10 intrepid Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-fsl-imx51 11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Not affected
9.10 karmic
Not affected
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-lts-backport-maverick 11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Not affected
9.10 karmic Not in release
9.04 jaunty Not in release
8.10 intrepid Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-mvl-dove 11.04 natty Not in release
10.10 maverick
Not affected
10.04 LTS lucid
Not affected
9.10 karmic Ignored end of life
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-source-2.6.15 11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid Not in release
9.10 karmic Not in release
9.04 jaunty Not in release
8.10 intrepid Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper
Not affected
linux-ti-omap4 11.04 natty
Not affected
10.10 maverick
Not affected
10.04 LTS lucid Not in release
9.10 karmic Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
qemu-kvm 11.04 natty
Not affected
10.10 maverick
Not affected
10.04 LTS lucid
Not affected
9.10 karmic
Not affected
9.04 jaunty Not in release
8.10 intrepid Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
linux

References

Related Ubuntu Security Notices (USN)

    • USN-864-1
    • Linux kernel vulnerabilities
    • 5 December 2009

Other references