CVE-2009-1897 | BDVDB-2026-37508 Detail
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.vupen.com/english/advisories/2009/1925
- http://isc.sans.org/diary.html?storyid=6820
- http://grsecurity.net/~spender/cheddar_bay.tgz
- http://www.openwall.com/lists/oss-security/2009/07/17/1
- http://archives.neohapsis.com/archives/fulldisclosure/2009-07/0246.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51803
- http://article.gmane.org/gmane.linux.network/124939
- http://secunia.com/advisories/35839
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3c8a9c63d5fd738c261bd0ceece04d9c8357ca13
- https://bugzilla.redhat.com/show_bug.cgi?id=512284
- http://lkml.org/lkml/2009/7/6/19
- http://archives.neohapsis.com/archives/fulldisclosure/2009-07/0241.html
- https://www.redhat.com/en/blog/security-flaws-caused-compiler-optimizations
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.