CVE-2008-4554 Information

Description

The do_splice_from function in fs/splice.c in the Linux kernel before 2.6.27 does not reject file descriptors that have the O_APPEND flag set which allows local users to bypass append mode and make arbitrary changes to other locations in the file.

Reference

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git;a=commit;h=efc968d450e013049a662d22727cf132618dcb2f http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html http://secunia.com/advisories/32386 http://secunia.com/advisories/32918 http://secunia.com/advisories/32998 http://secunia.com/advisories/33180 http://secunia.com/advisories/33182 http://secunia.com/advisories/33586 http://secunia.com/advisories/35390 http://www.debian.org/security/2008/dsa-1681 http://www.debian.org/security/2008/dsa-1687 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27 http://www.mandriva.com/security/advisories?name=MDVSA-2008:224 http://www.openwall.com/lists/oss-security/2008/10/13/1 http://www.openwall.com/lists/oss-security/2008/10/14/5 http://www.redhat.com/support/errata/RHSA-2008-1017.html http://www.redhat.com/support/errata/RHSA-2009-0009.html http://www.securityfocus.com/bid/31903 http://www.ubuntu.com/usn/usn-679-1 https://bugzilla.redhat.com/show_bug.cgi?id=466707 https://exchange.xforce.ibmcloud.com/vulnerabilities/45954 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A11142 https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00689.html https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00693.html