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CVE-2009-4141

Status Candidate

Overview

Use-after-free vulnerability in the fasync_helper function in fs/fcntl.c in the Linux kernel before 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file.

Related Files

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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