After an upgrade to an affected release of Catalyst Operating System (CatOS) software, the system can encounter an exception. The output of the show log command displays this message:
Error Msg: mfree 2: m=0x8c994080PID = 0 Kernel an
For more information, refer to Cisco bug ID CSCed48590.
Also refer to Cisco Security Advisory: Cisco CatOS Telnet, HTTP and SSH Vulnerability.
This problem has been fixed in these releases and later versions:
As there is currently no workaround available, upgrade to one of above releases in order to resolve the problem.
The software can be donwloaded from LAN Swiching software.
Error Msg: mfree 2: m= [Hex] , m_type=0 PID = 0 Kernel an