Vulnerability Report

CVE-2008-2812

Title: Avaya Sip Enablement Services Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2008-2812.

CWE Category CWE-476

Published Date Jul 09, 2008

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.8 CVSS v3.1

Exploit Probability (EPSS)

0.43%

Vulnerability Summary

CVE-2008-2812: 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/.

Impacted Vendors

avaya 8

Reference Links

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git%3Ba=commitdiff%3Bh=2a739dd53ad7ee010ae6e155438507f329dce788 http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.10 http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html http://secunia.com/advisories/30982 http://secunia.com/advisories/31048 http://secunia.com/advisories/31202 http://secunia.com/advisories/31229 http://secunia.com/advisories/31341 http://secunia.com/advisories/31551 http://secunia.com/advisories/31614 http://secunia.com/advisories/31685 http://secunia.com/advisories/32103 http://secunia.com/advisories/32370 http://secunia.com/advisories/32759 http://secunia.com/advisories/33201 http://support.avaya.com/elmodocs2/security/ASA-2008-365.htm http://www.debian.org/security/2008/dsa-1630 http://www.openwall.com/lists/oss-security/2008/07/03/2 http://www.redhat.com/support/errata/RHSA-2008-0612.html http://www.redhat.com/support/errata/RHSA-2008-0665.html http://www.redhat.com/support/errata/RHSA-2008-0973.html http://www.securityfocus.com/bid/30076 http://www.vupen.com/english/advisories/2008/2063/references https://exchange.xforce.ibmcloud.com/vulnerabilities/43687 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11632 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6633 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 http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.10 http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html http://secunia.com/advisories/30982 http://secunia.com/advisories/31048 http://secunia.com/advisories/31202 http://secunia.com/advisories/31229 http://secunia.com/advisories/31341 http://secunia.com/advisories/31551 http://secunia.com/advisories/31614 http://secunia.com/advisories/31685 http://secunia.com/advisories/32103 http://secunia.com/advisories/32370 http://secunia.com/advisories/32759 http://secunia.com/advisories/33201 http://support.avaya.com/elmodocs2/security/ASA-2008-365.htm http://www.debian.org/security/2008/dsa-1630 http://www.openwall.com/lists/oss-security/2008/07/03/2 http://www.redhat.com/support/errata/RHSA-2008-0612.html http://www.redhat.com/support/errata/RHSA-2008-0665.html http://www.redhat.com/support/errata/RHSA-2008-0973.html http://www.securityfocus.com/bid/30076 http://www.vupen.com/english/advisories/2008/2063/references https://exchange.xforce.ibmcloud.com/vulnerabilities/43687 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11632 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6633 https://usn.ubuntu.com/637-1/

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.8

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.2

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2008-2812 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

July 09, 2008 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.