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CVE-2009-1897

MEDIUM CVSS: 6.9 Published: 2009-07-20 Modified: 2026-06-16

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.

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-119

References