Linux - 'userfaultfd' Bypasses tmpfs File Permissions

Using the userfaultfd API, it is possible to first register a userfaultfd region for any VMA that fulfills vmacanuserfault: It must be an anonymous VMA -vmops==NULL, a hugetlb VMA VMHUGETLB, or a shmem VMA -vmops==shmemvmops. This means that it is, for example, possible to register userfaulfd...

Linux Kernel - VMA Use-After-Free via Buggy vmacache_flush_all() Fastpath Local Privilege Escalation

Since commit 615d6e8756c8 "mm: per-thread vma caching", first in 3.15, Linux has per-task VMA caches that contain up to four VMA pointers for fast lookup. VMA caches are invalidated by bumping the 32-bit per-mm sequence number mm-vmacacheseqnum; when the sequence number wraps, vmacacheflushall...

Linux - #VMA Use-After-Free via Buggy vmacache_flush_all() Fastpath Exploit

Exploit for linux platform in category local exploits Linux - VMA Use-After-Free via Buggy vmacacheflushall Fastpath Exploit Since commit 615d6e8756c8 "mm: per-thread vma caching", first in 3.15, Linux has per-task VMA caches that contain up to four VMA pointers for fast lookup. VMA caches are...

Linux Kernel - VMA Use-After-Free via Buggy vmacache_flush_all() Fastpath Local Privilege Escalation

Linux Kernel - VMA Use-After-Free via Buggy vmacacheflushall Fastpath Local Privilege Escalation Since commit 615d6e8756c8 "mm: per-thread vma caching", first in 3.15, Linux has per-task VMA caches that contain up to four VMA pointers for fast lookup. VMA caches are invalidated by bumping the...

Linux - mincore() Uninitialized Kernel Heap Page Disclosure Exploit

Linux mincore discloses uninitialized kernel heap pages. When walkpagerange is used on a VMHUGETLB VMA, callbacks from the mmwalk structure are only invoked for present pages. However, domincore assumes that it will always get callbacks for all pages in the range passed to walkpagerange, and when...

Android kernel/sys.c elevation of privilege vulnerability

Android is a cell phone operating system based on the Linux open kernel. A security vulnerability exists in the implementation of the prctlsetvmaanonname function within kernel/sys.c in versions of Android prior to 5.1.1 LMY49F, and 6.0 prior to 2016-01-01, which does not ensure that only one vma...

CVE-2015-6640

The prctlsetvmaanonname function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service vma list corruption via a crafted application,...

UBUNTU-CVE-2015-6640

The prctlsetvmaanonname function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service vma list corruption via a crafted application,...

CVE-2015-6640

The prctlsetvmaanonname function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service vma list corruption via a crafted application,...

Linux Kernel <= 2.4.29-rc2 uselib() Privilege Elevation

No description provided by source. / binfmtelf uselib VMA insert race vulnerability v1.08 gcc -O2 -fomit-frame-pointer elflbl.c -o elflbl Copyright c 2004 iSEC Security Research. All Rights Reserved. THIS PROGRAM IS FOR EDUCATIONAL PURPOSES ONLY IT IS PROVIDED AS IS AND WITHOUT ANY WARRANTY...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Updated kernel packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7. The Red Hat Security Response Team has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base score...

VMware vMA Unspecified Library Local Privilege Escalation (VMSA-2012-0010)

The version of VMware vMA installed on the remote SuSE Linux Enterprise Server host is 4.x or 5.x earlier than 5.0.0.2. As such, it is potentially affected by a local privilege escalation vulnerability due to the way library files are loaded. C Tenable Network Security, Inc. include"compat.inc"; ...

CVE-2012-2752

Untrusted search path vulnerability in VMware vMA 4.x and 5.x before 5.0.0.2 allows local users to gain privileges via a Trojan horse DLL in the current working directory...

Design/Logic Flaw

Untrusted search path vulnerability in VMware vMA 4.x and 5.x before 5.0.0.2 allows local users to gain privileges via a Trojan horse DLL in the current working directory...

CVE-2012-2752

CVE-2012-2752 affects VMware vMA 4.x and 5.x before 5.0.0.2. The issue is an untrusted library/file-loading path that can be abused by local users to gain privileges via a Trojan horse DLL in the current working directory. Root cause: how the VMware library files are loaded. Impact is local privi...

CVE-2012-2752

Untrusted search path vulnerability in VMware vMA 4.x and 5.x before 5.0.0.2 allows local users to gain privileges via a Trojan horse DLL in the current working directory...

VMware vMA不明细节本地权限提升漏洞

BUGTRAQ ID: 53697 CVE ID: CVE-2012-2752 vSphere Management Assistant vMA是允许管理员和开发者运行脚本和代理以管理ESXi主机和vCenter服务器系统的虚拟计算机。 VMWare vMA 4.0、4.1、5.0.0.1 之前版本在实现上存在加载任意文件导致的本地权限提升漏洞，攻击者可利用此漏洞以提升的权限执行任意代码。 0 VMWare vMA 5.0.0.1 VMWare vMA 4.1 VMWare vMA 4.0 厂商补丁： VMWare ------...

VMSA-2012-0010:VMware vMA addresses a security issue

VMSA-2012-0010 VMware vMA addresses a security issue VMware Security Advisory VMware Security Advisory Advisory ID: VMSA-2012-0010 VMware Security Advisory Synopsis: VMware vMA addresses a security issue VMware Security Advisory Issue date: 2012-05-25 VMware Security Advisory Updated on: 2012-05-...

kernel: mm: avoid wrapping vm_pgoff in mremap() and stack expansions

Integer overflow in the vmatoresize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service BUGON and system crash via a crafted mremap system call that expands a memory mapping...

UBUNTU-CVE-2011-2496

Integer overflow in the vmatoresize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service BUGON and system crash via a crafted mremap system call that expands a memory mapping...