Last Modified: Jan 09, 2025
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2
Opened: Jul 23, 2024 Severity: 3-Major
TMM cores are observed on the PEM-provisioned BIG-IP devices with the following backtrace. #0 0x00007f5ec6031a01 in __pthread_kill (threadid=?, signo=signo@entry=11) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61 #1 0x000000000159da6a in signal_handler (signum=11, info=0x4000003fb330, ctx=0x4000003fb200) at ../kern/sys.c:3837 #2 <signal handler called> #3 0x000000000273baff in engine_pkey_meths_free (e=e@entry=0x40000a042d58) at tb_pkmeth.c:159 #4 0x0000000002738f26 in engine_free_util (e=e@entry=0x40000a042d58, locked=locked@entry=0) at eng_lib.c:129 #5 0x0000000002739d10 in engine_unlocked_finish (e=e@entry=0x40000a042d58, unlock_for_handlers=unlock_for_handlers@entry=1) at eng_init.c:119 #6 0x0000000002739e49 in ENGINE_finish (e=0x40000a042d58) at eng_init.c:150 #7 0x000000000274a1cf in EVP_DigestInit_ex (ctx=0x40000a042d38, type=0x4bedf80 <sha256_md>, impl=0x0) at digest.c:231 #8 0x00000000026ee116 in HMAC_Init_ex (ctx=0x40000a042d00, key=0x4000003fbae0, len=?, md=0x4bedf80 <sha256_md>, impl=0x0) at hmac.c:143 #9 0x00007f5e914164b1 in ?? () #10 0x0000000004bedf80 in ?? () #11 0x00004000003fb9c0 in ?? () #12 0x0000000000000020 in ?? () #13 0x0000000000000000 in ?? ()
Traffic disrupted while tmm restarts.
This issue is observed on the PEM provisioned BIG-IP device and while traffic gets processed in the TMM context
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