CVE-2017-8904
published 2017-05-11CVE-2017-8904: Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest…
PriorityP342high8.8CVSS 3.0
AVLACLPRLUINSCCHIHAH
EPSS
0.42%
34.2th percentile
Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | xen | < xen 4.8.1-1+deb9u1 (bookworm) | xen 4.8.1-1+deb9u1 (bookworm) |
| xen | xen | — | — |
| xen | xen | — | — |
| xen | xen | >= 0 < 4.8.1-1+deb9u1 | 4.8.1-1+deb9u1 |
| xen | xen | >= 0 < 4.8.1-1+deb9u1 | 4.8.1-1+deb9u1 |
| xen | xen | >= 0 < 4.8.1-1+deb9u1 | 4.8.1-1+deb9u1 |
| xen | xen | >= 0 < 4.8.1-1+deb9u1 | 4.8.1-1+deb9u1 |
CVSS provenance
nvdv3.08.8HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:L/AC:L/Au:S/C:C/I:C/A:C
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
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Red Hat
xen: grant transfer allows PV guest to elevate privileges (XSA-214)
vendor_redhat·2017-05-02·CVSS 8.8
CVE-2017-8904 [HIGH] xen: grant transfer allows PV guest to elevate privileges (XSA-214)
xen: grant transfer allows PV guest to elevate privileges (XSA-214)
Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.
Package: xen (Red Hat Enterprise Linux 5) - Will not fix
Debian
CVE-2017-8904: xen - Xen through 4.8.x mishandles the "contains segment descriptors" property during ...
vendor_debian·2017·CVSS 8.8
CVE-2017-8904 [HIGH] CVE-2017-8904: xen - Xen through 4.8.x mishandles the "contains segment descriptors" property during ...
Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.
Scope: local
bookworm: resolved (fixed in 4.8.1-1+deb9u1)
bullseye: resolved (fixed in 4.8.1-1+deb9u1)
forky: resolved (fixed in 4.8.1-1+deb9u1)
sid: resolved (fixed in 4.8.1-1+deb9u1)
trixie: resolved (fixed in 4.8.1-1+deb9u1)
GHSA
GHSA-cpcf-5qpg-m8gh: Xen through 4
ghsa_unreviewed·2022-05-13
CVE-2017-8904 [HIGH] GHSA-cpcf-5qpg-m8gh: Xen through 4
Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.
OSV
CVE-2017-8904: Xen through 4
osv·2017-05-11·CVSS 8.8
CVE-2017-8904 [HIGH] CVE-2017-8904: Xen through 4
Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2017-8903 CVE-2017-8904 CVE-2017-8905 xen: various flaws [fedora-all]
bugzilla·2017-05-02·CVSS 8.8
CVE-2017-8903 [HIGH] CVE-2017-8903 CVE-2017-8904 CVE-2017-8905 xen: various flaws [fedora-all]
CVE-2017-8903 CVE-2017-8904 CVE-2017-8905 xen: various flaws [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of
Bugzilla
CVE-2017-8904 xsa214 xen: grant transfer allows PV guest to elevate privileges (XSA-214)
bugzilla·2017-04-18·CVSS 8.8
CVE-2017-8904 [HIGH] CVE-2017-8904 xsa214 xen: grant transfer allows PV guest to elevate privileges (XSA-214)
CVE-2017-8904 xsa214 xen: grant transfer allows PV guest to elevate privileges (XSA-214)
ISSUE DESCRIPTION
The GNTTABOP_transfer operation allows one guest to transfer a page to
another guest. The internal processing of this, however, does not
include zapping the previous type of the page being transferred. This
makes it possible for a PV guest to transfer a page previously used as
part of a segment descriptor table to another guest while retaining the
"contains segment descriptors" property.
If the destination guest is a PV one of different bitness, it may gain
access to segment descriptors it is not normally allowed to have, like
64-bit code segments in a 32-bit PV guest.
If the destination guest is a HVM one, that guest may freely alter the
page contents and then hand the page back
http://www.securityfocus.com/bid/98428http://www.securitytracker.com/id/1038387https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/https://security.gentoo.org/glsa/201705-11https://xenbits.xen.org/xsa/advisory-214.htmlhttp://www.securityfocus.com/bid/98428http://www.securitytracker.com/id/1038387https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/https://security.gentoo.org/glsa/201705-11https://xenbits.xen.org/xsa/advisory-214.html
2017-05-11
Published