24 matches found
MINI-8FGP-95HJ-VM86
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MINI-VM86-XW8F-R4HR
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MINI-5VR7-VM86-42G8
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CVE-2024-50072
In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Use code segment selector for VERW operand Robert Gill reported below GP in 32-bit mode when dosemu software was executing vm86 system call: general protection fault: 0000 1 PREEMPT SMP CPU: 4 PID: 4610 Comm: dosemu.bin...
AZL-52077 CVE-2024-50072 affecting package kernel for versions less than 6.6.64.2-1
In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Use code segment selector for VERW operand Robert Gill reported below GP in 32-bit mode when dosemu software was executing vm86 system call: general protection fault: 0000 1 PREEMPT SMP CPU: 4 PID: 4610 Comm: dosemu.bin...
CVE-2024-50072
CVE-2024-50072 affects the Linux kernel on x86 where VERW is used. The issue can trigger a general protection fault (#GP) in 32-bit vm86 contexts when VERW mitigations (e.g., MDS/RFDS) are enabled and the code segment selector is not properly referenced. The root cause is using VERW with an arbit...
SUSE CVE-2016-9382
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service guest OS crash by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode...
Vm86 - Syscall Task Switch Kernel Panic / Privilege Escalation Vulnerability
Exploit for linux platform in category local exploits Source: http://www.halfdog.net/Security/2013/Vm86SyscallTaskSwitchKernelPanic/ Introduction Problem description: The initial observation was, that the linux vm86 syscall, which allows to use the virtual-8086 mode from userspace for emulating o...
DEBIAN-CVE-2016-9382
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service guest OS crash by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode...
ALPINE-CVE-2016-9382
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service guest OS crash by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode...
CVE-2016-9382
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service guest OS crash by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode...
Design/Logic Flaw
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service guest OS crash by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode...
CVE-2016-9382
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service guest OS crash by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode...
CVE-2016-9382: Undefined Security Weakness
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service guest OS crash by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode...
Debian DSA-3729-1 : xen - security update
Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2016-7777 XSA-190 Jan Beulich from SUSE discovered that Xen does not properly honor CR0.TS and CR0.EM for x86 HVM guests, potentially...
Fedora 24 : xen (2016-95c104a4c6)
xen : various security flaws 1397383 x86 null segments not always treated as unusable XSA-191, CVE-2016-9386 x86 task switch to VM86 mode mis-handled XSA-192, CVE-2016-9382 x86 segment base write emulation lacking canonical address checks XSA-193, CVE-2016-9385 x86 64-bit bit test instruction...
FreeBSD : xen-kernel -- x86 task switch to VM86 mode mis-handled (523bb0b7-ba4d-11e6-ae1b-002590263bf5)
The Xen Project reports : LDTR, just like TR, is purely a protected mode facility. Hence even when switching to a VM86 mode task, LDTR loading needs to follow protected mode semantics. This was violated by the code. On SVM AMD hardware: a malicious unprivileged guest process can escalate its...
Debian DLA-720-1 : xen security update
Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems : CVE-2016-9379, CVE-2016-9380 XSA-198 pygrub, the boot loader emulator, fails to quote or sanity check its results when reporting them to its...
PT-2017-10100
Name of the Vulnerable Software and Affected Versions Xen versions 4.0.x through 4.7.x Description The issue arises from the mishandling of x86 task switches to VM86 mode, allowing local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service, resulting in a guest OS crash...
x86 task switch to VM86 mode mis-handled
ISSUE DESCRIPTION LDTR, just like TR, is purely a protected mode facility. Hence even when switching to a VM86 mode task, LDTR loading needs to follow protected mode semantics. This was violated by the code. IMPACT On SVM AMD hardware: a malicious unprivileged guest process can escalate its...