Повышение привилегий в ядре Linux

Средняя (4.6)

(AV:L/AC:L/Au:N/C:P/I:P/A:P)

RedHat

Linux Kernel (Unknown)

Уязвимость позволяет локальному пользователю повысит свои привилегии на системе.
Уязвимость существует из-за недостаточной обработки данных дампа ядра. Злоумышленник может создать дамп в запрещенных директориях или получить привилегии пользователя root на системе.

Установите последнюю версию ядра (2.6.17.4) с сайта производителя.
http://www.kernel.org

http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.17.y.git;a=commit;h=0af184bb9f80edfbb94de46cb52e9592e5a547b0
REDHAT (RHSA-2006:0574): http://www.redhat.com/support/errata/RHSA-2006-0574.html
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=195902
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.24
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.17.4
FRSIRT (ADV-2006-2699): http://www.frsirt.com/english/advisories/2006/2699
UBUNTU (USN-311-1): http://www.ubuntu.com/usn/usn-311-1
BID (18874): http://www.securityfocus.com/bid/18874
https://issues.rpath.com/browse/RPL-488
OSVDB (27030): http://www.osvdb.org/27030
SECTRACK (1016451): http://securitytracker.com/id?1016451
BUGTRAQ (20060707 rPSA-2006-0122-1 kernel): http://www.securityfocus.com/archive/1/archive/1/439483/100/100/threaded
BUGTRAQ (20060710 Re: rPSA-2006-0122-1 kernel): http://www.securityfocus.com/archive/1/439610/100/100/threaded
BUGTRAQ (20060714 Linux Kernel 2.6.x PRCTL Core Dump Handling -- Simple workaround): http://www.securityfocus.com/archive/1/archive/1/440057/100/0/threaded
BUGTRAQ (20060713 Linux sys_prctl LKM based hotfix): http://www.securityfocus.com/archive/1/archive/1/440118/100/0/threaded
SUSE (SUSE-SR:2006:016): http://www.novell.com/linux/security/advisories/2006_16_sr.html
SUSE (SUSE-SR:2006:017): http://www.novell.com/linux/security/advisories/2006_17_sr.html
SUSE http://www.novell.com/linux/security/advisories/2006_42_kernel.html
SUSE (SUSE-SA:2006:047): http://www.novell.com/linux/security/advisories/2006_47_kernel.html
SUSE (SUSE-SA:2006:049): http://www.novell.com/linux/security/advisories/2006_49_kernel.html
http://support.avaya.com/elmodocs2/security/ASA-2006-162.htm
BUGTRAQ (20060712 Linux Kernel 2.6.x PRCTL Core Dump Handling - Local r00t Exploit ( BID 18874 / CVE-2006-2451 )): http://www.securityfocus.com/archive/1/archive/1/439869/100/0/threaded
BUGTRAQ (20060713 Re: [Full-disclosure] Re: Linux Kernel 2.6.x PRCTL Core Dump Handling - Local r00t Exploit ( BID 18874 / CVE-2006-2451 )): http://www.securityfocus.com/archive/1/archive/1/440117/100/0/threaded