+++ This bug was initially created as a clone of Bug #174081 +++ A typo in IPv6 flowlabel handling code in Linux kernels 2.4 up to 2.4.32 and 2.6 before 2.6.14 could be used by a local attacker to cause the kernel free non-allocated memory and in turn corrupt kernel memory and/or crash the machine. Fixed upstream by: http://linux.bkbits.net:8080/linux-2.6/cset@435ebd2095VXAPIHGRQXkibspCvlPw This issue affects kernels 2.4 as well as 2.6 up to 2.6.14
A fix for this problem has just been committed to the RHEL3 E7 patch pool this evening (in kernel version 2.4.21-37.0.1.EL).
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2006-0140.html
A fix for this problem has also been committed to the RHEL3 U7 patch pool this evening (in kernel version 2.4.21-39.EL).