kernel: execshield: predictable ascii armour base address

The ExecShield feature in a certain Red Hat patch for the Linux kernel in Red Hat Enterprise Linux RHEL 5 and 6 and Fedora 15 and 16 does not properly handle use of many shared libraries by a 32-bit executable file, which makes it easier for context-dependent attackers to bypass the ASLR protecti...

Scientific Linux Security Update : firefox on SL4.x, SL5.x, SL6.x i386/x86_64

Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox. Several flaws were found in the processing of malformed web content. A web page containing malicious content could possibly lead to arbitrary code execution with the privileges of th...

PT-2012-1031 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 3.3.3 Description: The issue arises from the improper handling of file system capabilities in the Linux kernel, allowing local users to bypass intended personality restrictions. This can be achieved through a...

kernel: proc: /proc/<pid>/mem mem_write insufficient permission checking

The memwrite function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc//mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper...

CentOS 4 / 5 : firefox (CESA-2011:0471)

Updated firefox packages that fix several security issues are now available for Red Hat Enterprise Linux 4, 5, and 6. The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...

kernel: personality: fix PER_CLEAR_ON_SETID

The personality subsystem in the Linux kernel before 2.6.31-rc3 has a PERCLEARONSETID setting that does not clear the ADDRCOMPATLAYOUT and MMAPPAGEZERO flags when executing a setuid or setgid program, which makes it easier for local users to leverage the details of memory usage to 1 conduct NULL...

kernel: personality: fix PER_CLEAR_ON_SETID

The personality subsystem in the Linux kernel before 2.6.31-rc3 has a PERCLEARONSETID setting that does not clear the ADDRCOMPATLAYOUT and MMAPPAGEZERO flags when executing a setuid or setgid program, which makes it easier for local users to leverage the details of memory usage to 1 conduct NULL...