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.
Metrics
CVSS 2.0 6.9/10
AV:L/AC:M/Au:N/C:C/I:C/A:CWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Jul 20, 2009
- Last modified
- Jun 16, 2026
- NVD status
- Modified