CVE-2013-4375

Publication date 19 January 2014

Last updated 24 July 2024

Ubuntu priority

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service (domain grant reference consumption) via unspecified vectors.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	13.10 saucy	Fixed 1.5.0+dfsg-3ubuntu5.3
	13.04 raring	Ignored
	12.10 quantal	Not in release
	12.04 LTS precise	Not in release
	10.04 LTS lucid	Not in release
qemu-kvm	13.10 saucy	Not in release
	13.04 raring	Not in release
	12.10 quantal	Fixed 1.2.0+noroms-0ubuntu2.12.10.6
	12.04 LTS precise	Not affected
	10.04 LTS lucid	Not affected
xen	13.10 saucy	Not affected
	13.04 raring	Not affected
	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	10.04 LTS lucid	Not in release
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
	10.04 LTS lucid	Not affected

Notes

jdstrand

per upstream, xen 4.2 and later per Xen team, qemu 1.1 and later

mdeslaur

per smb, this is only in qemu packages, and we only really use the one in saucy+ This is XSA-71 introduced in c6961b7d38317fd48a8e86a8c2be4b9aeeb71ac0 quantal file location is hw/xen_disk.c

Patch details

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

Package	Patch details
qemu	Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=a76f48e53382e6f039db6278443e3ce437653302
qemu-kvm	Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=a76f48e53382e6f039db6278443e3ce437653302

References

Related Ubuntu Security Notices (USN)