CVE-2015-4164 | BDVDB-2026-69914 Detail
Description#
The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.securityfocus.com/bid/75149
- http://www.debian.org/security/2015/dsa-3286
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00027.html
- http://www.securitytracker.com/id/1032569
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
- http://support.citrix.com/article/CTX201145
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
- http://xenbits.xen.org/xsa/advisory-136.html
- https://security.gentoo.org/glsa/201604-03
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.