CVE-2007-5501 Information

Description

The tcp_sacktag_write_queue function in net/ipv4/tcp_input.c in Linux kernel 2.6.21 through 2.6.23.7 and 2.6.24-rc through 2.6.24-rc2 allows remote attackers to cause a denial of service (crash) via crafted ACK responses that trigger a NULL pointer dereference.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=96a2d41a3e495734b63bff4e5dd0112741b93b38 http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00002.html http://lwn.net/Articles/258947/ http://secunia.com/advisories/27664 http://secunia.com/advisories/27703 http://secunia.com/advisories/27888 http://secunia.com/advisories/27919 http://secunia.com/advisories/27922 http://secunia.com/advisories/28170 http://secunia.com/advisories/28706 http://secunia.com/advisories/29245 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23.8 http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc3 http://www.mandriva.com/security/advisories?name=MDVSA-2008:044 http://www.novell.com/linux/security/advisories/2007_63_kernel.html http://www.securityfocus.com/bid/26474 http://www.ubuntu.com/usn/usn-558-1 http://www.ubuntu.com/usn/usn-574-1 http://www.vupen.com/english/advisories/2007/3902 https://exchange.xforce.ibmcloud.com/vulnerabilities/38548 https://issues.rpath.com/browse/RPL-1965 https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00032.html https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00170.html https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00302.html