CVE - CVE-2009-1897

CVE-ID
CVE-2009-1897	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:20090716 Linux 2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable URL:http://archives.neohapsis.com/archives/fulldisclosure/2009-07/0241.html MISC:20090716 Re: Linux 2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable URL:http://archives.neohapsis.com/archives/fulldisclosure/2009-07/0246.html MISC:35839 URL:http://secunia.com/advisories/35839 MISC:ADV-2009-1925 URL:~~http://www.vupen.com/english/advisories/2009/1925~~ (Obsolete source) MISC:[linux-kernel] 20090706 Re: PROBLEM: tun/tap crashes if open() /dev/net/tun and then poll() it. URL:http://lkml.org/lkml/2009/7/6/19 MISC:[netdev] 20090409 Oops in tun: bisected to Limit amount of queued packets per device URL:http://article.gmane.org/gmane.linux.network/124939 MISC:[oss-security] 20090717 Linux 2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable URL:http://www.openwall.com/lists/oss-security/2009/07/17/1 MISC:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3c8a9c63d5fd738c261bd0ceece04d9c8357ca13 URL:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3c8a9c63d5fd738c261bd0ceece04d9c8357ca13 MISC:http://grsecurity.net/~spender/cheddar_bay.tgz URL:http://grsecurity.net/~spender/cheddar_bay.tgz MISC:http://isc.sans.org/diary.html?storyid=6820 URL:http://isc.sans.org/diary.html?storyid=6820 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=512284 URL:https://bugzilla.redhat.com/show_bug.cgi?id=512284 MISC:https://www.redhat.com/en/blog/security-flaws-caused-compiler-optimizations URL:https://www.redhat.com/en/blog/security-flaws-caused-compiler-optimizations MISC:linux-kernel-tunchrpoll-code-execution(51803) URL:https://exchange.xforce.ibmcloud.com/vulnerabilities/51803
Assigning CNA
Red Hat, Inc.
Date Record Created
20090602	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20090602)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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