| Name | CVE-2014-1895 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xen (PTS) | jessie, jessie (lts) | 4.4.4lts5-0+deb8u1 | fixed |
| stretch (security), stretch (lts), stretch | 4.8.5.final+shim4.10.4-1+deb9u12 | fixed | |
| buster (security), buster, buster (lts) | 4.11.4+107-gef32c7afa2-1 | fixed | |
| bullseye | 4.14.6-1 | fixed | |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | fixed | |
| bookworm | 4.17.3+10-g091466ba55-1~deb12u1 | fixed | |
| sid, trixie | 4.17.3+36-g54dacb5c02-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| xen | source | squeeze | (not affected) | |||
| xen | source | wheezy | (not affected) | |||
| xen | source | (unstable) | 4.4.0-1 |
[squeeze] - xen <not-affected> (Only affects 4.2 and later)
[wheezy] - xen <not-affected> (Only affects 4.2 and later)