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CVE-2008-1294

Status Candidate

Overview

Linux kernel 2.6.17, and other versions before 2.6.22, does not check when a user attempts to set RLIMIT_CPU to 0 until after the change is made, which allows local users to bypass intended resource limits.

Related Files

Ubuntu Security Notice 618-1
Posted Jun 20, 2008
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 618-1 - Memory access issues, buffer overflows, denial of service, race conditions.. all sorts of fun and mayhem has been addressed in the Linux 2.6 kernel branch on Ubuntu.

tags | advisory, denial of service, overflow, kernel
systems | linux, ubuntu
advisories | CVE-2007-4571, CVE-2007-5904, CVE-2007-6694, CVE-2008-0007, CVE-2008-1294, CVE-2008-1375, CVE-2008-1669
SHA-256 | 0acf6967795b6e572efa6fa96bc8daa4c48aa9762c583cd6ee70d852449a6d06
Debian Linux Security Advisory 1565-1
Posted May 1, 2008
Authored by Debian | Site debian.org

Debian Security Advisory 1565-1 - Several local vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or the execution of arbitrary code. Cyrill Gorcunov reported a NULL pointer dereference in code specific to the CHRP PowerPC platforms. Local users could exploit this issue to achieve a Denial of Service (DoS). Nick Piggin of SuSE discovered a number of issues in subsystems which register a fault handler for memory mapped areas. This issue can be exploited by local users to achieve a Denial of Service (DoS) and possibly execute arbitrary code. David Peer discovered that users could escape administrator imposed cpu time limitations (RLIMIT_CPU) by setting a limit of 0. Alexander Viro discovered a race condition in the directory notification subsystem that allows local users to cause a Denial of Service (oops) and possibly result in an escalation of privileges.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, suse, debian
advisories | CVE-2007-6694, CVE-2008-0007, CVE-2008-1294, CVE-2008-1375
SHA-256 | ed43a1ccb15a2ec568645c1df25b8fe8d03affe766fc2a7cde70bedba788f722
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