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CVE-2009-4021

Status Candidate

Overview

The fuse_direct_io function in fs/fuse/file.c in the fuse subsystem in the Linux kernel before 2.6.32-rc7 might allow attackers to cause a denial of service (invalid pointer dereference and OOPS) via vectors possibly related to a memory-consumption attack.

Related Files

Debian Linux Security Advisory 2005-1
Posted Mar 1, 2010
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2005-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, sensitive memory leak or privilege escalation. Note that this advisory says DSA-2004-1 but it is actually DSA-2005-1.

tags | advisory, denial of service, kernel, vulnerability, memory leak
systems | linux, debian
advisories | CVE-2009-2691, CVE-2009-2695, CVE-2009-3080, CVE-2009-3726, CVE-2009-3889, CVE-2009-4005, CVE-2009-4020, CVE-2009-4021, CVE-2009-4138, CVE-2009-4308, CVE-2009-4536, CVE-2009-4538, CVE-2010-0003, CVE-2010-0007, CVE-2010-0291, CVE-2010-0410, CVE-2010-0415, CVE-2010-0622
MD5 | 6df548355a759babe2620aa7553824b3
Debian Linux Security Advisory 2003-1
Posted Feb 24, 2010
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2003-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2009-3080, CVE-2009-3726, CVE-2009-4005, CVE-2009-4020, CVE-2009-4021, CVE-2009-4536, CVE-2010-0007, CVE-2010-0410, CVE-2010-0415, CVE-2010-0622
MD5 | a23b9f6e569daf1b623f135a92d041b9
Ubuntu Security Notice 894-1
Posted Feb 5, 2010
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 894-1 - Various kernel related vulnerabilities have been addressed. It was discovered that FUSE did not correctly check certain requests. It was discovered that KVM did not correctly decode certain guest instructions. It was discovered that the OHCI fireware driver did not correctly handle certain ioctls. It was discovered that "print-fatal-signals" reporting could show arbitrary kernel memory contents.

tags | advisory, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2009-4020, CVE-2009-4021, CVE-2009-4031, CVE-2009-4138, CVE-2009-4141, CVE-2009-4308, CVE-2009-4536, CVE-2009-4538, CVE-2010-0003, CVE-2010-0006, CVE-2010-0007, CVE-2010-0291
MD5 | 98e6d98dfff677b7dbc464dadd2a391f
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