Your submission was sent successfully! Close

CVE-2009-4141

Published: 19 January 2010

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.

Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.33~rc5)
Patches:
Introduced by 233e70f4228e78eb2f80dc6650f65d3ae3dbf17c
Fixed by 53281b6d34d44308372d16acb7fb5327609f68b6
linux-source-2.6.15
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.33~rc5)

Notes

AuthorNote
mdeslaur
introduced by http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=233e70f4228e78eb2f80dc6650f65d3ae3dbf17c

References