CVE-2009-1897

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.

CVSS v2.0

6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS

1.52% chance of exploitation in the next 30 days, 73th percentile

Published

2009-07-20

Updated

2024-08-07

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/33088
• https://www.exploit-db.com/exploits/9191

References

• CVE Record
• NVD entry

Related

• CVE-2009-1894
• CVE-2009-1902
• CVE-2009-1886
• CVE-2009-1907
• CVE-2009-1879
• CVE-2009-1910