CVE-2008-2812: Null Pointer Dereference
First published: Wed Jul 09 2008(Updated: )
The Linux kernel before 2.6.25.10 does not properly perform tty operations, which allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving NULL pointer dereference of function pointers in (1) hamradio/6pack.c, (2) hamradio/mkiss.c, (3) irda/irtty-sir.c, (4) ppp_async.c, (5) ppp_synctty.c, (6) slip.c, (7) wan/x25_asy.c, and (8) wireless/strip.c in drivers/net/.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <2.6.25.10 | |
| Ubuntu | =6.06 | |
| Ubuntu | =7.04 | |
| Ubuntu | =7.10 | |
| Ubuntu | =8.04 | |
| Novell Linux Desktop | =9 | |
| openSUSE | =11.0 | |
| openSUSE | =10.3 | |
| SUSE Linux Enterprise Server | =10-sp2 | |
| SUSE Linux Enterprise Desktop | =10-sp2 | |
| SUSE Linux Enterprise Desktop | =10-sp1 | |
| SUSE Linux Enterprise Server | =10-sp1 | |
| Debian | =4.0 | |
| Avaya Message Networking | =3.1 | |
| Avaya Aura SIP Enablement Services | =4.0 | |
| Avaya Modular Messaging Message Storage Server | =4.0 | |
| Avaya Proactive Contact | =4.0 | |
| Avaya Meeting Exchange | =5.0 | |
| Avaya Expanded Meet-me Conferencing | ||
| Avaya Intuity Audix LX | =2.0 | |
| Avaya Aura SIP Enablement Services | ||
| Avaya Aura Communication Manager | >=3.1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2008/07/03/2
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.10
- http://www.securityfocus.com/bid/30076
- http://secunia.com/advisories/31202
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html
- http://secunia.com/advisories/31614
- http://www.redhat.com/support/errata/RHSA-2008-0665.html
- http://www.redhat.com/support/errata/RHSA-2008-0612.html
- http://secunia.com/advisories/31341
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html
- http://secunia.com/advisories/31229
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00009.html
- http://support.avaya.com/elmodocs2/security/ASA-2008-365.htm
- http://secunia.com/advisories/31685
- http://secunia.com/advisories/31551
- http://www.debian.org/security/2008/dsa-1630
- http://secunia.com/advisories/31048
- http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
- http://secunia.com/advisories/32759
- http://www.redhat.com/support/errata/RHSA-2008-0973.html
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html
- http://secunia.com/advisories/33201
- http://secunia.com/advisories/32103
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html
- http://www.vupen.com/english/advisories/2008/2063/references
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html
- http://secunia.com/advisories/32370
- http://secunia.com/advisories/30982
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43687
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6633
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11632
- https://usn.ubuntu.com/637-1/
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git%3Ba=commitdiff%3Bh=2a739dd53ad7ee010ae6e155438507f329dce788
Frequently Asked Questions
What is the severity of CVE-2008-2812?
CVE-2008-2812 is classified as a high severity vulnerability due to its potential to cause system crashes and privilege escalation.
How do I fix CVE-2008-2812?
To fix CVE-2008-2812, update the Linux kernel to version 2.6.25.10 or later as specified in the vulnerability report.
What platforms are affected by CVE-2008-2812?
CVE-2008-2812 affects several Linux distributions including Ubuntu 6.06, 7.04, 7.10, 8.04, and openSUSE 10.3 and 11.0.
Can CVE-2008-2812 be exploited remotely?
CVE-2008-2812 primarily allows local users to exploit the vulnerability, making remote exploitation unlikely.
What are the potential impacts of CVE-2008-2812?
The impacts of CVE-2008-2812 include potential system crashes and unauthorized privilege escalation.
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