The seqfile handling (ip6fl_get_n function in ip6_flowlabel.c) in Linux kernel 2.6 up to 2.6.18-stable allows local users to cause a denial of service (hang or oops) via unspecified manipulations that trigger an infinite loop while searching for flowlabels.

References

• https://nvd.nist.gov/vuln/detail/CVE-2006-5619
• https://exchange.xforce.ibmcloud.com/vulnerabilities/29970
• https://issues.rpath.com/browse/RPL-760
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9311
• http://lkml.org/lkml/2006/11/5/46
• http://rhn.redhat.com/errata/RHSA-2007-0014.html
• http://secunia.com/advisories/22665
• http://secunia.com/advisories/22754
• http://secunia.com/advisories/23370
• http://secunia.com/advisories/23384
• http://secunia.com/advisories/23474
• http://secunia.com/advisories/23593
• http://secunia.com/advisories/23752
• http://secunia.com/advisories/23997
• http://secunia.com/advisories/24206
• http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm
• http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bcd620757d3a4ae78ef0ca41adb5d9e400ed92b6
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:002
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:012
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:025
• http://www.novell.com/linux/security/advisories/2006_79_kernel.html
• http://www.securityfocus.com/archive/1/451097/100/0/threaded
• http://www.securityfocus.com/bid/20847
• http://www.ubuntu.com/usn/usn-395-1
• http://www.us.debian.org/security/2006/dsa-1233
• http://www.vupen.com/english/advisories/2006/4297
• http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bcd620757d3a4ae78ef0ca41adb5d9e400ed92b6