Operational Defect Database
BugZero found this defect 2215 days ago.
Data sources
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F5 | 537553
tmm might crash after modifying virtual server SSL profiles in SNI configuration
Last update date:
5/17/2024
Affected products:
BIG-IP
BIG-IP All
Affected releases:
11.5.1 HF2
11.5.1 HF3
11.5.1 HF4
11.5.1 HF5
11.5.1 HF6
11.5.1 HF7
11.5.1 HF8
11.5.1 HF9
11.5.1 HF10
11.5.1 HF11
11.5.2 HF1
11.5.3 HF1
Fixed releases:
13.0.0
12.1.2
11.6.1 HF2
11.5.4
Description:
Bug ID 537553: tmm might crash after modifying virtual server SSL profiles in SNI configuration ... Modifying a Secure Sockets Layer (SSL) profile associated with a virtual server may result in the Traffic Management Microkernel (TMM) producing a core file. ... As a result of this issue, you may encounter one or more of the following symptoms: -- BIG-IP system sends an invalid memory access segmentation fault (SIGSEGV) or floating point error (SIGFPE), signal to TMM, resulting in a stack trace that appears in the /var/log/tmm file. -- TMM restarts and produces a core file in the /shared/core directory. -- The BIG-IP system generates an assertion failure panic string in the /var/log/tmm file that appears similar to the following example: panic: ../kern/umem.c:3881: ... Conditions ... 1. LTM virtual server is configured with multiple SSL profiles, one of which is the default SNI profile. ... 2. A configuration change is made that affects the virtual server. ... Among others: -- Config...
