Last Modified: Oct 04, 2024
Affected Product(s):
BIG-IP AFM, TMOS
Known Affected Versions:
16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1
Fixed In:
17.1.0, 15.1.4
Opened: Aug 02, 2021 Severity: 4-Minor
TMM core dumped with segmentation fault showing the below stack. Sometimes the crash stack might be different possibly due to memory corruption caused by the stale BDoS entries in sPVA temp table. #0 0x00007fbb0f05fa01 in __pthread_kill (threadid=?, signo=signo@entry=11) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61 #1 0x0000000001587e86 in signal_handler (signum=11, info=0x400a254018f0, ctx=0x400a254017c0) at ../kern/sys.c:3837 #2 <signal handler called> #3 __strcmp_sse42 () at ../sysdeps/x86_64/multiarch/strcmp-sse42.S:164 #4 0x000000000156319b in spva_search_temp_table (p_arg=<synthetic pointer>, spva=0x400a25401e70) at ../base/tmm_spva.c:1827 #5 spva_dyentries_ack_nack_response (status=SPVA_STATUS_SUCCESS, spva=0x400a25401e70) at ../base/tmm_spva.c:1872 #6 spva_read (status=SPVA_STATUS_SUCCESS, spva=...) at ../base/tmm_spva.c:1560
Traffic disrupted while tmm restarts.
BDoS enabled. The Dynamic BDoS signature created, attack detected, and signature is offloaded to hardware.
Disable BDoS.
None