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CVE-2013-4361

Publication date 1 October 2013

Last updated 24 July 2024


Ubuntu priority

The fbld instruction emulation in Xen 3.3.x through 4.3.x does not use the correct variable for the source effective address, which allows local HVM guests to obtain hypervisor stack information by reading the values used by the instruction.

Read the notes from the security team

Status

Package Ubuntu Release Status
xen 13.10 saucy
Fixed 4.3.0-1ubuntu1.1
13.04 raring
Fixed 4.2.2-0ubuntu0.13.04.2
12.10 quantal
Fixed 4.1.5-0ubuntu0.12.10.2
12.04 LTS precise
Fixed 4.1.5-0ubuntu0.12.04.2
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


mdeslaur

this is xsa-66