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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
SHA-256 | 4e91cfa025d3713c772ca08542d5fe2924c2840b742a5513213aa737787a70c7
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
SHA-256 | 190008779715122c274b3af16405f0cf335d68634de01dbd876c3af3c9e0c4ac
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
SHA-256 | ced2b4a6f9d25c5881707f27db905b8d09605d4401a3b4c2586f9a6c37b78d18
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