CVE-2014-1895

Publication date 1 April 2014

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Description

Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.

Read the notes from the security team

Status

Package Ubuntu Release Status
xen 13.10 saucy
Fixed 4.3.0-1ubuntu1.3
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
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid
Not affected

Notes

mdeslaur

This is XSA-85 4.2+ only

References

Other references

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