548 matches found
Information leak on XSAVE/XRSTOR capable AMD CPUs
ISSUE DESCRIPTION On AMD processors supporting XSAVE/XRSTOR family 15h and up, when an exception is pending, these instructions save/restore only the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR. This allows one domain to determine portions of the state of floating point instructions of othe...
64-bit PV guest privilege escalation vulnerability
ISSUE DESCRIPTION Rafal Wojtczuk has discovered a vulnerability which can allow a 64-bit PV guest kernel running on a 64-bit hypervisor to escalate privileges to that of the host by arranging for a system call to return via sysret to a non-canonical RIP. Intel CPUs deliver the resulting exception...
SuSE 11.1 Security Update : Xen (SAT Patch Number 6399)
Three security issues were found in XEN. Two security issues are fixed by this update : - Due to incorrect fault handling in the XEN hypervisor it was possible for a XEN guest domain administrator to execute code in the XEN host environment. CVE-2012-0217 - Also a guest user could crash the guest...
Scientific Linux Security Update : kernel on SL4.x i386/x86_64
A flaw was found in the handling of process death signals. This allowed a local user to send arbitrary signals to the suid-process executed by that user. A successful exploitation of this flaw depends on the structure of the suid-program and its signal handling. CVE-2007-3848, Important - A flaw...
Intel CPU Vulnerability can provide control of your system to attacker
Intel CPU Vulnerability can provide control of your system to attacker The U.S. Computer Emergency Readiness Team US-CERT has disclosed a flaw in Intel chips that could allow hackers to gain control of Windows and other operating systems. The flaw has already been exploited on 64-bit versions of...
CentOS 4 : kernel (CESA-2007:0939)
Updated kernel packages that fix various security issues in the Red Hat Enterprise Linux 4 kernel are now available. This update has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel is the core of the operating system. These updated kernel...
FreeBSD Security Advisory FreeBSD-SA-06:14.fpu
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ============================================================================= FreeBSD-SA-06:14.fpu Security Advisory The FreeBSD Project Topic: FPU information disclosure Category: core Module: sys Announced: 2006-04-19 Credits: Jan Beulich Affects: A...
