CVE-2013-2212: Improper Restriction of Operations within the Bounds of a Memory Buffer

The vmxsetucmode function in Xen 3.3 through 4.3, when disabling caches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service CPU consumption and possibly hypervisor or guest kernel panic via a crafted GFN range...

Excessive time to disable caching with HVM guests with PCI passthrough

ISSUE DESCRIPTION HVM guests are able to manipulate their physical address space such that processing a subsequent request by that guest to disable caches takes an extended amount of time changing the cachability of the memory pages assigned to this guest. This applies only when the guest has bee...

kvm: emulator privilege escalation IOPL/CPL level check

The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing SMP, does not use the Current Privilege Level CPL and I/O Privilege Level IOPL to restrict instruction execution, which allows guest OS users to cause a denial of service guest OS crash or gain privileges on the...

CVE-2008-4210

fs/open.c in the Linux kernel before 2.6.22 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified other impact, by creating an executable...

CVE-2008-4210: Undefined Security Weakness

fs/open.c in the Linux kernel before 2.6.22 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified other impact, by creating an executable...

Linux Kernel 'truncate()'本地特权提升漏洞

BUGTRAQ ID: 31368 CVE ID：CVE-2008-4210 CNCVE ID：CNCVE-20084210 Linux是一款开放源代码的操作系统。 Linux内核'truncate'和'ftruncate'函数存在设计错误，本地攻击者可以利用漏洞提升特权。 当建立文件时，open/creat允许通过模式参数设置setgid位，由于bsdgroups mount选项或在setgid目录中建立文件，用户不属于新文件的组的成员。用户可以使用ftruncate和memory-mapped I/O使新文件成为任意两进制，获得此组的特权，原因是这些操作没有清除setgid位。...

AIX 5.2 : IY46784

The remote host is missing AIX Critical Security Patch number IY46784 Possible data error using memory mapped I/O in cachefs. You should install this patch for your system to be up-to-date. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. if ! definedfunc"bnrandom" exit0;...

(RHSA-2003:147) kernel security update

The Linux kernel handles the basic functions of the operating system. Two potential data corruption scenarios have been identified. These scenarios can occur under heavy, complex I/O loads. The first scenario only occurs while performing memory mapped file I/O, where the file is simultaneously...