Gentoo Websites Logo
Go to: Gentoo Home Documentation Forums Lists Bugs Planet Store Wiki Get Gentoo!

Bug 303737

Summary: Kernel: Use-after-free vulnerability in fasync_helper() (CVE-2009-4141)
Product: Gentoo Security Reporter: Stefan Behte (RETIRED) <craig>
Component: KernelAssignee: Gentoo Security <security>
Severity: normal CC: hardened-kernel+disabled, kernel
Priority: High    
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard: [ < 2.6.33-rc4-git1 ]
Package list:
Runtime testing required: ---

Description Stefan Behte (RETIRED) gentoo-dev Security 2010-02-06 15:09:23 UTC
CVE-2009-4141 (
  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.
Comment 1 Stefan Behte (RETIRED) gentoo-dev Security 2010-02-06 15:10:26 UTC

*** This bug has been marked as a duplicate of bug 301006 ***