Linux Kernel共享内存绕过安全限制漏洞

Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux Kernel实现上存在漏洞，允许本地用户绕过IPC权限控制，可能导致内存信息泄露。 通过使用mprotect可以获得以只读方式attach的共享内存的写权限。 Linux kernel 2.6.16 Linux kernel 2.4.x VMWare ESX Server 2.5.4 VMWare ESX Server 2.5.3 VMWare ESX Server 2.1.3 VMWare ESX Server 2.0.2 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：...

The Red Hat Enterprise Linux 3 SMP Kernel fails to properly handle IPC shared-memory

Overview The Red Hat Enterprise Linux 3 SMP Kernel may allow an authenticated attacker to cause a denial-of-service condition with specially crafted IPC shared-memory functions. Description Inter-Process Communication IPC shared-memory is a method of passing data between programs used by the Red...

RHEL 3 : kernel (RHSA-2006:0710)

Updated kernel packages that fix several security issues in the Red Hat Enterprise Linux 3 kernel are now available. This security advisory has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel handles the basic functions of the operating syste...

Important: Red Hat Security Advisory: kernel security update

Updated kernel packages that fix several security issues in the Red Hat Enterprise Linux 3 kernel are now available. This security advisory has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel handles the basic functions of the operating syste...

CentOS 3 : kernel (CESA-2006:0710)

Updated kernel packages that fix several security issues in the Red Hat Enterprise Linux 3 kernel are now available. This security advisory has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel handles the basic functions of the operating syste...

kernel security update

CentOS Errata and Security Advisory CESA-2006:0710 Updated kernel packages that fix several security issues in the Red Hat Enterprise Linux 3 kernel are now available. This security advisory has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel...

security flaw

Linux kernel 2.4.x and 2.6.x up to 2.6.16 allows local users to bypass IPC permissions and modify a readonly attachment of shared memory by using mprotect to give write permission to the attachment. NOTE: some original raw sources combined this issue with CVE-2006-1524, but they are different bug...

[SECURITY] [DSA 1097-1] New Kernel 2.4.27 packages fix several vulnerabilities

-------------------------------------------------------------------------- Debian Security Advisory DSA 1097-1 [email protected] http://www.debian.org/security/ Dann Frazier, Troy Heber June 14th, 2006 http://www.debian.org/security/faq -...

In win2000pro on opening 3 3 8 9 It!!! - Vulnerability warning-the black bar safety net

Tried 3 3 8 9 friends should all know its itself has one big disadvantage, that is only applied to the win2000server or higher, while most individual users may be for game play reasons, will only choose win2000pro on. So if you do the broiler, then you can only choose Dameware this software?, now...

Mandrake Linux Security Advisory : kernel (MDKSA-2006:086)

A number of vulnerabilities were discovered and corrected in the Linux 2.6 kernel : Prior to Linux kernel 2.6.16.5, the kernel does not properly handle uncanonical return addresses on Intel EM64T CPUs which causes the kernel exception handler to run on the user stack with the wrong GS...

Code injection

Linux kernel 2.4.x and 2.6.x up to 2.6.16 allows local users to bypass IPC permissions and modify a readonly attachment of shared memory by using mprotect to give write permission to the attachment. NOTE: some original raw sources combined this issue with CVE-2006-1524, but they are different bug...

CVE-2006-2071

Linux kernel 2.4.x and 2.6.x up to 2.6.16 allows local users to bypass IPC permissions and modify a readonly attachment of shared memory by using mprotect to give write permission to the attachment. NOTE: some original raw sources combined this issue with CVE-2006-1524, but they are different bug...

CVE-2006-2071

Linux kernel 2.4.x and 2.6.x up to 2.6.16 allows local users to bypass IPC permissions and modify a readonly attachment of shared memory by using mprotect to give write permission to the attachment. NOTE: some original raw sources combined this issue with CVE-2006-1524, but they are different bug...

CVE-2006-2071

CVE-2006-2071 affects Linux kernels 2.4.x and 2.6.x up to 2.6.16. It arises from a flaw in the mprotect handling that allowed a local user to grant write permission to a read-only attachment of a shared memory segment, bypassing IPC permissions and enabling modification of the attachment. Reporte...

CVE-2006-2071

Linux kernel 2.4.x and 2.6.x up to 2.6.16 allows local users to bypass IPC permissions and modify a readonly attachment of shared memory by using mprotect to give write permission to the attachment. NOTE: some original raw sources combined this issue with CVE-2006-1524, but they are different bug...

Code injection

madviseremove in Linux kernel 2.6.16 up to 2.6.16.6 does not follow file and mmap restrictions, which allows local users to bypass IPC permissions and replace portions of readonly tmpfs files with zeroes, aka the MADVREMOVE vulnerability. NOTE: this description was originally written in a way tha...

CVE-2006-1524

madviseremove in Linux kernel 2.6.16 up to 2.6.16.6 does not follow file and mmap restrictions, which allows local users to bypass IPC permissions and replace portions of readonly tmpfs files with zeroes, aka the MADVREMOVE vulnerability. NOTE: this description was originally written in a way tha...

CVE-2006-1524

madviseremove in Linux kernel 2.6.16 up to 2.6.16.6 does not follow file and mmap restrictions, which allows local users to bypass IPC permissions and replace portions of readonly tmpfs files with zeroes, aka the MADVREMOVE vulnerability. NOTE: this description was originally written in a way tha...

CVE-2006-1524

The MADV_REMOVE issue (CVE-2006-1524) affects Linux kernel 2.6.16 up to 2.6.16.6, where madvise_remove does not enforce file/mmap restrictions, enabling a local user to bypass IPC permissions and overwrite portions of readonly tmpfs files with zeros. The problem is tied to the mprotect-related fl...

CVE-2006-1524

madviseremove in Linux kernel 2.6.16 up to 2.6.16.6 does not follow file and mmap restrictions, which allows local users to bypass IPC permissions and replace portions of readonly tmpfs files with zeroes, aka the MADVREMOVE vulnerability. NOTE: this description was originally written in a way tha...