CVE-2015-4103

Publication date 3 June 2015

Last updated 24 July 2024

Ubuntu priority

Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	15.04 vivid	Fixed 1:2.2+dfsg-5expubuntu9.2
	14.10 utopic	Fixed 2.1+dfsg-4ubuntu6.7
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.13
	12.04 LTS precise	Not in release
qemu-kvm	15.04 vivid	Not in release
	14.10 utopic	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected
xen	15.04 vivid	Not affected
	14.10 utopic	Ignored end of life
	14.04 LTS trusty	Fixed 4.4.2-0ubuntu0.14.04.2
	12.04 LTS precise	Fixed 4.1.6.1-0ubuntu0.12.04.6

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=5c83b2f5b4b956e91dd6e5711f14df7ab800aefb
xen	Upstream: http://xenbits.xen.org/xsa/xsa128-qemut.patch Upstream: http://xenbits.xen.org/xsa/xsa128-qemuu-4.3.patch Upstream: http://xenbits.xen.org/xsa/xsa128-qemuu.patch

References

Related Ubuntu Security Notices (USN)

USN-2630-1
QEMU vulnerabilities
10 June 2015

CVE-2015-4103

Status

Patch details

References

Related Ubuntu Security Notices (USN)

Other references