Upstream information

CVE-2009-1897 at MITRE

Description

The tun_chr_poll function in drivers/net/tun.c in the tun subsystem in the Linux kernel 2.6.30 and 2.6.30.1, when the -fno-delete-null-pointer-checks gcc option is omitted, allows local users to gain privileges via vectors involving a NULL pointer dereference and an mmap of /dev/net/tun, a different vulnerability than CVE-2009-1894.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 6.9
Vector AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
SUSE Bugzilla entry: 522914 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

SUSE Timeline for this CVE

CVE page created: Fri Jun 28 06:54:16 2013
CVE page last modified: Mon Oct 6 18:15:49 2025