CVE-2016-2271
published 2016-02-19CVE-2016-2271: VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to…
PriorityP416medium5.5CVSS 3.0
AVLACLPRLUINSUCNINAH
EPSS
0.39%
31.4th percentile
VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | xen | < xen 4.8.0~rc3-1 (bookworm) | xen 4.8.0~rc3-1 (bookworm) |
| xen | xen | — | — |
| xen | xen | — | — |
| xen | xen | >= 0 < 4.8.0~rc3-1 | 4.8.0~rc3-1 |
| xen | xen | >= 0 < 4.8.0~rc3-1 | 4.8.0~rc3-1 |
| xen | xen | >= 0 < 4.8.0~rc3-1 | 4.8.0~rc3-1 |
| xen | xen | >= 0 < 4.8.0~rc3-1 | 4.8.0~rc3-1 |
CVSS provenance
nvdv3.05.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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Red Hat
xen: guest user mode may crash guest with non-canonical RIP (XSA-170)
vendor_redhat·2016-02-17·CVSS 5.5
CVE-2016-2271 [MEDIUM] xen: guest user mode may crash guest with non-canonical RIP (XSA-170)
xen: guest user mode may crash guest with non-canonical RIP (XSA-170)
VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.
Package: xen (Red Hat Enterprise Linux 5) - Will not fix
Debian
CVE-2016-2271: xen - VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM...
vendor_debian·2016·CVSS 5.5
CVE-2016-2271 [MEDIUM] CVE-2016-2271: xen - VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM...
VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.
Scope: local
bookworm: resolved (fixed in 4.8.0~rc3-1)
bullseye: resolved (fixed in 4.8.0~rc3-1)
forky: resolved (fixed in 4.8.0~rc3-1)
sid: resolved (fixed in 4.8.0~rc3-1)
trixie: resolved (fixed in 4.8.0~rc3-1)
GHSA
GHSA-wqc2-67r3-gjj5: VMX in Xen 4
ghsa_unreviewed·2022-05-17
CVE-2016-2271 [MEDIUM] GHSA-wqc2-67r3-gjj5: VMX in Xen 4
VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.
OSV
CVE-2016-2271: VMX in Xen 4
osv·2016-02-19·CVSS 5.5
CVE-2016-2271 [MEDIUM] CVE-2016-2271: VMX in Xen 4
VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2016-2271 xsa170 xen: guest user mode may crash guest with non-canonical RIP (XSA-170) [fedora-all]
bugzilla·2016-02-17·CVSS 5.5
CVE-2016-2271 [MEDIUM] CVE-2016-2271 xsa170 xen: guest user mode may crash guest with non-canonical RIP (XSA-170) [fedora-all]
CVE-2016-2271 xsa170 xen: guest user mode may crash guest with non-canonical RIP (XSA-170) [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.
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 multi
Bugzilla
CVE-2016-2271 xsa170 xen: guest user mode may crash guest with non-canonical RIP (XSA-170)
bugzilla·2016-02-04·CVSS 5.5
CVE-2016-2271 [MEDIUM] CVE-2016-2271 xsa170 xen: guest user mode may crash guest with non-canonical RIP (XSA-170)
CVE-2016-2271 xsa170 xen: guest user mode may crash guest with non-canonical RIP (XSA-170)
ISSUE DESCRIPTION
VMX refuses attempts to enter a guest with an instruction pointer which doesn't satisfy certain requirements. In particular, the instruction pointer needs to be canonical when entering a guest currently in 64-bit mode. This is the case even if the VM entry information specifies an exception to be injected immediately (in which case the bad instruction pointer would possibly never get used for other than pushing onto the exception handler's stack). Provided the guest OS allows user mode to map the virtual memory space immediately below the canonical/non- canonical address boundary, a non-canonical instruction pointer can result even from normal user mode execution. VM entry failure
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.htmlhttp://support.citrix.com/article/CTX209443http://www.debian.org/security/2016/dsa-3519http://www.securitytracker.com/id/1035043http://xenbits.xen.org/xsa/advisory-170.htmlhttps://security.gentoo.org/glsa/201604-03http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.htmlhttp://support.citrix.com/article/CTX209443http://www.debian.org/security/2016/dsa-3519http://www.securitytracker.com/id/1035043http://xenbits.xen.org/xsa/advisory-170.htmlhttps://security.gentoo.org/glsa/201604-03
2016-02-19
Published