Cisco Cisco IOS Software Releases 12.2 MC Notas de publicación
11
Release Notes for Cisco MGX-RPM-1FE-CP Back Card for Cisco IOS Release 12.2(15)MC2f
OL-2920-11
Caveats in Cisco IOS Release 12.2(15)MC2b
This symptom is observed with PPPoE or PPPoA sessions that clear because of the PPP protocol
goes down (because of a termination request [TERMREQ] from a peer router or a PPP keepalive
failure). The leaked virtual-access interfaces are not reused for new sessions. This results in the
creation of new virtual-access interfaces for new sessions.
goes down (because of a termination request [TERMREQ] from a peer router or a PPP keepalive
failure). The leaked virtual-access interfaces are not reused for new sessions. This results in the
creation of new virtual-access interfaces for new sessions.
Workaround: There is currently no workaround.
•
CSCea64843
Description: A crash may occur when bringing up a large number of PPP over ATM (PPPoA)
sessions.
sessions.
This symptom is observed on a Cisco router that is running Cisco IOS Releases 12.2(15)B and 12.3.
Workaround: There is currently no workaround.
•
CSCei61732
Cisco IOS may permit arbitrary code execution after exploitation of a heap-based buffer overflow
vulnerability. Cisco has included additional integrity checks in its software, as further described
below, that are intended to reduce the likelihood of arbitrary code execution.
vulnerability. Cisco has included additional integrity checks in its software, as further described
below, that are intended to reduce the likelihood of arbitrary code execution.
Cisco has made free software available that includes the additional integrity checks for affected
customers.
customers.
This advisory is posted at
Caveats in Cisco IOS Release 12.2(15)MC2b
The following sections list and describe the open and resolved caveats for the Cisco MGX-RPM-1FE-CP
with Cisco IOS Release 12.2(15)MC2b. Only severity 1 through 3 caveats are included.
with Cisco IOS Release 12.2(15)MC2b. Only severity 1 through 3 caveats are included.
Caveats describe unexpected behavior in Cisco IOS software releases. Severity 1 caveats are the most
serious caveats, severity 2 caveats are less serious, and severity 3 caveats are the least serious of these
three severity levels.
serious caveats, severity 2 caveats are less serious, and severity 3 caveats are the least serious of these
three severity levels.
Caveats in Cisco IOS Releases 12.2 and 12.2 T are also in Cisco IOS Release 12.2(15)MC2a. For
information on caveats in Cisco IOS Release 12.2, see Caveats for Cisco IOS Release 12.2. For
information on caveats in Cisco IOS Release 12.2 T, see Caveats for Cisco IOS Release 12.2 T. These
two documents list severity 1 and 2 caveats and are located on CCO and the Documentation DVD.
information on caveats in Cisco IOS Release 12.2, see Caveats for Cisco IOS Release 12.2. For
information on caveats in Cisco IOS Release 12.2 T, see Caveats for Cisco IOS Release 12.2 T. These
two documents list severity 1 and 2 caveats and are located on CCO and the Documentation DVD.
Note
If you have an account with Cisco.com, you can use Bug Navigator II to find caveats of any severity for
any release. To reach Bug Navigator II, Login to Cisco.com and click Software Center: Cisco IOS
Software: Cisco Bugtool Navigator II. Another option is to go directly to
http://www.cisco.com/support/bugtools.
any release. To reach Bug Navigator II, Login to Cisco.com and click Software Center: Cisco IOS
Software: Cisco Bugtool Navigator II. Another option is to go directly to
http://www.cisco.com/support/bugtools.
Open Caveats
There are no known open caveats in Cisco IOS Release 12.2(15)MC2b.