U radu jezgre operacijskog sustava Fedora 16 uočen je sigurnosni nedostatak. Udaljeni ga napadač može iskoristiti za izvođenje napada uskraćivanjem usluge (DoS).
Paket:
Linux kernel 2.6.x
Operacijski sustavi:
Fedora 16
Kritičnost:
5
Problem:
pogreška u programskoj funkciji
Iskorištavanje:
udaljeno
Posljedica:
uskraćivanje usluga (DoS)
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2011-3191
Izvorni ID preporuke:
FEDORA-2011-12823
Izvor:
Fedora
Problem:
Nedostatak je uzrokovan pogreškom u funkciji "CIFSFindNext()".
Posljedica:
Napadaču omogućuje izvođenje DoS napada slanjem posebno oblikovane poruke.
--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2011-12823
2011-09-17 19:29:10
--------------------------------------------------------------------------------
Name : kernel
Product : Fedora 16
Version : 3.1.0
Release : 0.rc6.git0.3.fc16
URL : http://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel package contains the Linux kernel (vmlinuz), the core of any
Linux operating system. The kernel handles the basic functions
of the operating system: memory allocation, process allocation, device
input and output, etc.
--------------------------------------------------------------------------------
Update Information:
CVE-2011-3191: cifs: fix possible memory corruption in CIFSFindNext
Other assorted bugfixes, mostly for ppc
--------------------------------------------------------------------------------
References:
[ 1 ] Bug #738387 - ipw2200 driver deadlocks with itself trying to take
rtnl_mutex
https://bugzilla.redhat.com/show_bug.cgi?id=738387
[ 2 ] Bug #737984 - possible circular locking dependency detected
3.0.1-5.fc16.kh.ppc64
https://bugzilla.redhat.com/show_bug.cgi?id=737984
[ 3 ] Bug #738194 - ipvsadm cannot create IPv6 virtual service
https://bugzilla.redhat.com/show_bug.cgi?id=738194
[ 4 ] Bug #738096 - Power virtual serial driver fails to connect
https://bugzilla.redhat.com/show_bug.cgi?id=738096
[ 5 ] Bug #733766 - ibmveth 30000004: DMA-API: device driver frees DMA memory
with wrong function
https://bugzilla.redhat.com/show_bug.cgi?id=733766
--------------------------------------------------------------------------------
This update can be installed with the "yum" update program. Use
su -c 'yum update kernel' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
--------------------------------------------------------------------------------
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