CVE-2012-4544

Publication date 31 October 2012

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Description

The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk.

Read the notes from the security team

Status

Package Ubuntu Release Status
xen 13.10 saucy
Fixed 4.2.0-1ubuntu2
13.04 raring
Fixed 4.2.0-1ubuntu2
12.10 quantal
Fixed 4.1.3-3ubuntu1.1
12.04 LTS precise
Fixed 4.1.2-2ubuntu2.3
11.10 oneiric
Fixed 4.1.1-2ubuntu4.3
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
xen-3.1 13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Ignored end of life
xen-3.2 13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Ignored end of life
xen-3.3 13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
10.04 LTS lucid Ignored end of life
8.04 LTS hardy Not in release

Notes

kees

for full-virtualization issues, add qemu (and kvm)

Patch details

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

Package Patch details
xen
xen-3.1
xen-3.2
xen-3.3

References

Other references

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