CVE-2008-2812 Information

Description

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/.

CVSS Vector

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

Reference

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git;a=commitdiff;h=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/oval3Aorg.mitre.oval3Adef3A11632 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A6633 https://usn.ubuntu.com/637-1/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8