Linux Kernel Parent Process Death Signal Local Security Bypass Weakness
BID:25387
Info
Linux Kernel Parent Process Death Signal Local Security Bypass Weakness
| Bugtraq ID: | 25387 |
| Class: | Access Validation Error |
| CVE: |
CVE-2007-3848 |
| Remote: | No |
| Local: | Yes |
| Published: | Aug 21 2007 12:00AM |
| Updated: | Mar 19 2015 09:33AM |
| Credit: | Wojciech Purczynski is credited with the discovery of this issue. |
| Vulnerable: |
Ubuntu Ubuntu Linux 7.04 sparc Ubuntu Ubuntu Linux 7.04 powerpc Ubuntu Ubuntu Linux 7.04 i386 Ubuntu Ubuntu Linux 7.04 amd64 Ubuntu Ubuntu Linux 6.10 sparc Ubuntu Ubuntu Linux 6.10 powerpc Ubuntu Ubuntu Linux 6.10 i386 Ubuntu Ubuntu Linux 6.10 amd64 Ubuntu Ubuntu Linux 6.06 LTS sparc Ubuntu Ubuntu Linux 6.06 LTS powerpc Ubuntu Ubuntu Linux 6.06 LTS i386 Ubuntu Ubuntu Linux 6.06 LTS amd64 SuSE SUSE Linux Enterprise Server 9 SuSE SUSE Linux Enterprise Server 8 SuSE SUSE Linux Enterprise Server 10 SP1 SuSE SUSE Linux Enterprise Server 10 SuSE SUSE Linux Enterprise SDK 10.SP1 SuSE SUSE Linux Enterprise SDK 10 SuSE SUSE Linux Enterprise Desktop 10 SP1 SuSE SUSE Linux Enterprise Desktop 10 SuSE openSUSE 10.3 SuSE Linux Professional 10.2 x86_64 SuSE Linux Personal 10.2 x86_64 S.u.S.E. UnitedLinux 1.0 S.u.S.E. SuSE Linux Standard Server 8.0 S.u.S.E. SuSE Linux School Server for i386 S.u.S.E. SUSE LINUX Retail Solution 8.0 S.u.S.E. SuSE Linux Openexchange Server 4.0 S.u.S.E. openSUSE 10.2 S.u.S.E. Open-Enterprise-Server 0 S.u.S.E. Novell Linux POS 9 S.u.S.E. Novell Linux Desktop 9.0 S.u.S.E. Linux Professional 10.0 OSS S.u.S.E. Linux Professional 10.0 S.u.S.E. Linux Professional 10.2 S.u.S.E. Linux Professional 10.1 S.u.S.E. Linux Personal 10.0 OSS S.u.S.E. Linux Personal 10.2 S.u.S.E. Linux Personal 10.1 S.u.S.E. Linux Openexchange Server S.u.S.E. Linux Desktop 10 S.u.S.E. Linux 10.1 x86-64 S.u.S.E. Linux 10.1 x86 S.u.S.E. Linux 10.1 ppc S.u.S.E. Linux 10.0 x86-64 S.u.S.E. Linux 10.0 x86 S.u.S.E. Linux 10.0 ppc RedHat Linux Advanced Workstation 2.1 for the Ita 2.1 IA64 RedHat Enterprise Linux WS 4 RedHat Enterprise Linux WS 3 RedHat Enterprise Linux WS 2.1 IA64 RedHat Enterprise Linux WS 2.1 RedHat Enterprise Linux ES 4 RedHat Enterprise Linux ES 3 RedHat Enterprise Linux ES 2.1 IA64 RedHat Enterprise Linux ES 2.1 RedHat Desktop 4.0 RedHat Desktop 3.0 Red Hat Enterprise Linux Desktop 5 client Red Hat Enterprise Linux AS 4 Red Hat Enterprise Linux AS 3 Red Hat Enterprise Linux AS 2.1 IA64 Red Hat Enterprise Linux AS 2.1 Red Hat Enterprise Linux 5 Server Mandriva Linux Mandrake 2007.1 x86_64 Mandriva Linux Mandrake 2007.1 Mandriva Linux Mandrake 2007.0 x86_64 Mandriva Linux Mandrake 2007.0 MandrakeSoft Corporate Server 4.0 x86_64 MandrakeSoft Corporate Server 4.0 Linux kernel 2.6.22 .2 Linux kernel 2.6.22 .1 Linux kernel 2.6.22 Linux kernel 2.6.21 4 Linux kernel 2.6.21 .7 Linux kernel 2.6.21 .6 Linux kernel 2.6.21 .3 Linux kernel 2.6.21 .2 Linux kernel 2.6.21 .1 Linux kernel 2.6.20 .9 Linux kernel 2.6.20 .8 Linux kernel 2.6.20 .5 Linux kernel 2.6.20 .4 Linux kernel 2.6.20 .15 Linux kernel 2.6.20 .1 Linux kernel 2.6.20 Linux kernel 2.6.19 .2 Linux kernel 2.6.19 .1 Linux kernel 2.6.19 Linux kernel 2.6.18 .4 Linux kernel 2.6.18 .3 Linux kernel 2.6.18 .1 Linux kernel 2.6.17 .9 Linux kernel 2.6.17 .8 Linux kernel 2.6.17 .7 Linux kernel 2.6.17 .6 Linux kernel 2.6.17 .5 Linux kernel 2.6.17 .4 Linux kernel 2.6.17 .3 Linux kernel 2.6.17 .2 Linux kernel 2.6.17 .14 Linux kernel 2.6.17 .13 Linux kernel 2.6.17 .12 Linux kernel 2.6.17 .11 Linux kernel 2.6.17 .10 Linux kernel 2.6.17 .1 Linux kernel 2.6.17 Linux kernel 2.6.16 27 Linux kernel 2.6.16 13 Linux kernel 2.6.16 .9 Linux kernel 2.6.16 .8 Linux kernel 2.6.16 .7 Linux kernel 2.6.16 .5 Linux kernel 2.6.16 .4 Linux kernel 2.6.16 .3 Linux kernel 2.6.16 .23 Linux kernel 2.6.16 .21 Linux kernel 2.6.16 .2 Linux kernel 2.6.16 .19 Linux kernel 2.6.16 .18 Linux kernel 2.6.16 .17 Linux kernel 2.6.16 .16 Linux kernel 2.6.16 .12 Linux kernel 2.6.16 .11 Linux kernel 2.6.16 .1 Linux kernel 2.6.16 Linux kernel 2.6.15 .6 Linux kernel 2.6.15 .4 Linux kernel 2.6.15 .3 Linux kernel 2.6.15 .2 Linux kernel 2.6.15 .1 Linux kernel 2.6.15 Linux kernel 2.6.14 .5 Linux kernel 2.6.14 .4 Linux kernel 2.6.14 .3 Linux kernel 2.6.14 .2 Linux kernel 2.6.14 .1 Linux kernel 2.6.14 Linux kernel 2.6.13 .4 Linux kernel 2.6.13 .3 Linux kernel 2.6.13 .2 Linux kernel 2.6.13 .1 Linux kernel 2.6.13 Linux kernel 2.6.12 .6 Linux kernel 2.6.12 .5 Linux kernel 2.6.12 .4 Linux kernel 2.6.12 .3 Linux kernel 2.6.12 .22 Linux kernel 2.6.12 .2 Linux kernel 2.6.12 .12 Linux kernel 2.6.12 .1 Linux kernel 2.6.12 Linux kernel 2.6.11 .8 Linux kernel 2.6.11 .7 Linux kernel 2.6.11 .6 Linux kernel 2.6.11 .5 Linux kernel 2.6.11 .4 Linux kernel 2.6.11 .12 Linux kernel 2.6.11 .11 Linux kernel 2.6.11 Linux kernel 2.6.10 Linux kernel 2.6.9 Linux kernel 2.6.8 Linux kernel 2.6.7 Linux kernel 2.6.6 Linux kernel 2.6.5 Linux kernel 2.6.4 Linux kernel 2.6.3 Linux kernel 2.6.2 Linux kernel 2.6.1 Linux kernel 2.6 Linux kernel 2.5.69 Linux kernel 2.5.68 Linux kernel 2.5.67 Linux kernel 2.5.66 Linux kernel 2.5.65 Linux kernel 2.5.64 Linux kernel 2.5.63 Linux kernel 2.5.62 Linux kernel 2.5.61 Linux kernel 2.5.60 Linux kernel 2.5.59 Linux kernel 2.5.58 Linux kernel 2.5.57 Linux kernel 2.5.56 Linux kernel 2.5.55 Linux kernel 2.5.54 Linux kernel 2.5.53 Linux kernel 2.5.52 Linux kernel 2.5.51 Linux kernel 2.5.50 Linux kernel 2.5.49 Linux kernel 2.5.48 Linux kernel 2.5.47 Linux kernel 2.5.46 Linux kernel 2.5.45 Linux kernel 2.5.44 Linux kernel 2.5.43 Linux kernel 2.5.42 Linux kernel 2.5.41 Linux kernel 2.5.40 Linux kernel 2.5.39 Linux kernel 2.5.38 Linux kernel 2.5.37 Linux kernel 2.5.36 Linux kernel 2.5.35 Linux kernel 2.5.34 Linux kernel 2.5.33 Linux kernel 2.5.32 Linux kernel 2.5.31 Linux kernel 2.5.30 Linux kernel 2.5.29 Linux kernel 2.5.28 Linux kernel 2.5.27 Linux kernel 2.5.26 Linux kernel 2.5.25 Linux kernel 2.5.24 Linux kernel 2.5.23 Linux kernel 2.5.22 Linux kernel 2.5.21 Linux kernel 2.5.20 Linux kernel 2.5.19 Linux kernel 2.5.18 Linux kernel 2.5.17 Linux kernel 2.5.16 Linux kernel 2.5.15 Linux kernel 2.5.14 Linux kernel 2.5.13 Linux kernel 2.5.12 Linux kernel 2.5.11 Linux kernel 2.5.10 Linux kernel 2.5.9 Linux kernel 2.5.8 Linux kernel 2.5.7 Linux kernel 2.5.6 Linux kernel 2.5.5 Linux kernel 2.5.4 Linux kernel 2.5.3 Linux kernel 2.5.2 Linux kernel 2.5.1 Linux kernel 2.5 .0 Linux kernel 2.4.34 Linux kernel 2.4.33 2 Linux kernel 2.4.33 .7 Linux kernel 2.4.33 .6 Linux kernel 2.4.33 .6 Linux kernel 2.4.33 .3 Linux kernel 2.4.33 .3 Linux kernel 2.4.33 .1 Linux kernel 2.4.33 Linux kernel 2.4.32 Linux kernel 2.4.31 Linux kernel 2.4.30 Linux kernel 2.4.29 Linux kernel 2.4.28 Linux kernel 2.4.27 Linux kernel 2.4.26 Linux kernel 2.4.25 Linux kernel 2.4.24 Linux kernel 2.4.23 Linux kernel 2.4.22 Linux kernel 2.4.21 Linux kernel 2.4.20 Linux kernel 2.4.19 Linux kernel 2.4.18 Linux kernel 2.4.17 Linux kernel 2.4.16 Linux kernel 2.4.15 Linux kernel 2.4.14 Linux kernel 2.4.13 Linux kernel 2.4.12 Linux kernel 2.4.11 Linux kernel 2.4.10 Linux kernel 2.4.9 Linux kernel 2.4.8 Linux kernel 2.4.7 Linux kernel 2.4.6 Linux kernel 2.4.5 Linux kernel 2.4.4 Linux kernel 2.4.3 Linux kernel 2.4.2 Linux kernel 2.4.1 Linux kernel 2.4 Linux kernel 2.6.8.1 Linux kernel 2.6.20.3 Linux kernel 2.6.20.2 Linux kernel 2.6.20.13 Linux kernel 2.6.20.11 Linux kernel 2.6.20-2 Linux kernel 2.6.18 Linux kernel 2.6.15.5 Linux kernel 2.6.15.11 Linux kernel 2.6.11.4 Linux kernel 2.4.34.6 Linux kernel 2.4.34.5 Linux kernel 2.4.34.3 Linux kernel 2.4.33.5 Linux kernel 2.4.33.4 Debian Linux 3.1 sparc Debian Linux 3.1 s/390 Debian Linux 3.1 ppc Debian Linux 3.1 mipsel Debian Linux 3.1 mips Debian Linux 3.1 m68k Debian Linux 3.1 ia-64 Debian Linux 3.1 ia-32 Debian Linux 3.1 hppa Debian Linux 3.1 arm Debian Linux 3.1 amd64 Debian Linux 3.1 alpha Debian Linux 3.1 Debian Linux 4.0 sparc Debian Linux 4.0 s/390 Debian Linux 4.0 powerpc Debian Linux 4.0 mipsel Debian Linux 4.0 mips Debian Linux 4.0 m68k Debian Linux 4.0 ia-64 Debian Linux 4.0 ia-32 Debian Linux 4.0 hppa Debian Linux 4.0 arm Debian Linux 4.0 amd64 Debian Linux 4.0 alpha Debian Linux 4.0 Avaya Messaging Storage Server MM3.0 Avaya Message Networking MN 3.1 Avaya Intuity AUDIX LX 2.0 Avaya Communication Manager 4.0 Avaya Communication Manager 3.1 Avaya Communication Manager 3.0 Avaya CCS 3.1.2 Avaya CCS 3.1.1 Avaya CCS 4.0 Avaya Aura SIP Enablement Services 3.1.1 Avaya Aura Application Enablement Services 4.0.1 Avaya Aura Application Enablement Services 3.1.3 |
| Not Vulnerable: |
Linux kernel 2.6.22 .4 |
Discussion
Linux Kernel Parent Process Death Signal Local Security Bypass Weakness
The Linux kernel is prone to a security-bypass weakness when dealing with signal handling.
This issue occurs because the software fails to properly validate access when the parent process tries to deliver its death signal to the child that registered it via 'prctl'.
A local attacker may exploit this issue to bypass certain security restrictions, which may lead to other attacks.
Linux kernel versions prior to 2.6.22.4 are vulnerable.
The Linux kernel is prone to a security-bypass weakness when dealing with signal handling.
This issue occurs because the software fails to properly validate access when the parent process tries to deliver its death signal to the child that registered it via 'prctl'.
A local attacker may exploit this issue to bypass certain security restrictions, which may lead to other attacks.
Linux kernel versions prior to 2.6.22.4 are vulnerable.
Exploit / POC
Linux Kernel Parent Process Death Signal Local Security Bypass Weakness
Currently we are not aware of any working exploits for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
Currently we are not aware of any working exploits for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
Solution / Fix
Linux Kernel Parent Process Death Signal Local Security Bypass Weakness
Solution:
The vendor released kernel version 2.6.22.4 to address this issue. Please see the references for more information.
Linux kernel 2.6.20.2
Linux kernel 2.6.11.4
Debian Linux 4.0 mips
Linux kernel 2.6.20-2
Debian Linux 4.0 arm
Linux kernel 2.6.20.3
Linux kernel 2.6.8.1
Linux kernel 2.6.1
Linux kernel 2.6.11 .11
Linux kernel 2.6.11 .7
Linux kernel 2.6.12 .1
Linux kernel 2.6.12 .22
Linux kernel 2.6.12 .2
Linux kernel 2.6.13
Linux kernel 2.6.14 .1
Linux kernel 2.6.15
Linux kernel 2.6.16 .9
Linux kernel 2.6.16 .1
Linux kernel 2.6.16 13
Linux kernel 2.6.17 .13
Linux kernel 2.6.17 .10
Linux kernel 2.6.17 .14
Linux kernel 2.6.19
Linux kernel 2.6.20
Linux kernel 2.6.21 .3
Linux kernel 2.6.7
Solution:
The vendor released kernel version 2.6.22.4 to address this issue. Please see the references for more information.
Linux kernel 2.6.20.2
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.11.4
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Debian Linux 4.0 mips
-
Debian linux-headers-2.6.18-5_2.6.18.dfsg.1-13etch1_mips.deb
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers -2.6.18-5_2.6.18.dfsg.1-13etch1_mips.deb
Linux kernel 2.6.20-2
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Debian Linux 4.0 arm
-
Debian inux-headers-2.6.18-5_2.6.18.dfsg.1-13etch1_arm.deb
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers -2.6.18-5_2.6.18.dfsg.1-13etch1_arm.deb
Linux kernel 2.6.20.3
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.8.1
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.1
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.11 .11
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.11 .7
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.12 .1
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.12 .22
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.12 .2
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.13
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.14 .1
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.15
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.16 .9
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.16 .1
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.16 13
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.17 .13
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.17 .10
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.17 .14
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.19
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.20
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.21 .3
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
Linux kernel 2.6.7
-
Linux linux-2.6.22.4.tar.gz
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.4.tar.gz
References
Linux Kernel Parent Process Death Signal Local Security Bypass Weakness
References:
References:
- ChangeLog-2.6.22.4 (Linux)
- COSEINC Linux Advisory #1: Linux Kernel Parent Process Death Signal Vulnerabilit (Wojciech Purczynski)
- [DSA 1503-2] New Linux kernel 2.4.27 packages fix several issues (Debian)
- ASA-2008-010 - kernel security and bug fix update (RHSA-2007-1049) (Avaya)
- kernel security update (RHSA-2007-0939) (Avaya)
- RHSA-2007:0939-10 kernel security update (Red Hat)
- RHSA-2007:0940-7 - kernel security update (Red Hat)
- RHSA-2007:1049-8 Important: kernel security and bug fix update (Red Hat)
- Security Update for Linux Kernel: Zypp-Patch-Number: 4185 (Novell)