CVE-2023-1390

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipclinkxmit hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization...

CVE-2023-1390

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipclinkxmit hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization...

K22505850: BIG-IP and BIG-IQ iControl REST vulnerability CVE-2022-41770

Security Advisory Description An authenticated iControl REST user can cause an increase in memory resource utilization, through undisclosed requests. CVE-2022-41770 Impact BIG-IP and BIG-IQ System performance degradation can occur until the process is either forced to restart or manually restarte...

K93231374: BIG-IP HTTP vulnerability CVE-2021-23042

Security Advisory Description When an HTTP profile is configured on a virtual server, undisclosed requests can cause a significant increase in system resource utilization. CVE-2021-23042 Impact System performance degradation can occur until the process is either forced to restart or manually...

K37155600: BIG-IP RTSP profile vulnerability CVE-2022-28691

Security Advisory Description When a Real Time Streaming Protocol RTSP profile is configured on a virtual server, undisclosed traffic can cause an increase in Traffic Management Microkernel TMM resource utilization. CVE-2022-28691 Impact System performance can degrade until the process is either...

K23454411: DNS profile vulnerability CVE-2022-26372

Security Advisory Description When a DNS listener is configured on a virtual server with DNS queueing default, undisclosed requests can cause an increase in memory resource utilization. CVE-2022-26372 Impact System performance can degrade until the Traffic Management Microkernel TMM process is...

K25691186: BIG-IP Configuration utility vulnerability CVE-2020-27715

Security Advisory Description Crafted TLS request to the BIG-IP management interface via port 443 can cause high 100% CPU utilization by the httpd daemon. CVE-2020-27715 Impact Unable to access the affected BIG-IP system's Configuration utility. Security Advisory Status F5 Product Development has...

K00721320: BIG-IP AFM NAT64 policy vulnerability CVE-2022-41806

Security Advisory Description When a BIG-IP AFM Network Address Translation policy with IPv6/IPv4 translation rules is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. CVE-2022-41806 Impact System performance can degrade until the TMM...

K79933541: HTTP2 profile vulnerability CVE-2022-35236

Security Advisory Description When an HTTP2 profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. CVE-2022-35236 Impact System performance can degrade until the TMM process is either forced to restart or is manually restarted. This...

K16187341: BIG-IP ICAP profile vulnerability CVE-2022-27189

Security Advisory Description When an Internet Content Adaptation Protocol ICAP profile is configured on a virtual server, undisclosed traffic can cause an increase in Traffic Management Microkernel TMM memory resource utilization. CVE-2022-27189 Impact Traffic is disrupted while the TMM process...

K50343028: BIG-IP FastL4 profile vulnerability CVE-2022-23029

Security Advisory Description When a FastL4 profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. CVE-2022-23029 Impact System performance degradation can occur until the process is either forced to restart or manually restarted. This...

K71103363: BIG-IP big3d vulnerability CVE-2022-29480

Security Advisory Description When multiple route domains are configured, undisclosed requests to big3d can cause an increase in CPU resource utilization. CVE-2022-29480 Impact This vulnerability allows a remote, unauthenticated attacker to cause a degradation of service that can lead to a...

K52534925: BIG-IP APM and F5 SSL Orchestrator vulnerability CVE-2022-33203

Security Advisory Description When a BIG-IP APM access policy with Service Connect agent is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. CVE-2022-33203 Impact System performance can degrade until the Traffic Management Microkernel TMM...

Odd number CPU shows 100% CPU Utilization after disabling Hyperthreading.

After disabling the hyper-threading, the odd number CPU, example CPU 1,3,5 etc.. consistently shows 100% CPU utilization, the even number CPU is normal...

Medium: glibc

Issue Overview: A vulnerability was discovered in glibc where the LDPREFERMAP32BITEXEC environment variable is not ignored when running binaries with the setuid flag on x8664 architectures. This allows an attacker to force system to utilize only half of the memory making the system think the...

Trellix HAX 2023 CTF Competition

Trellix HAX 2023 CTF Competition Now Open for Registration! By Mark Bereza · February 17, 2023 This story was also written by John Dunlap. Introduction Trellix’s Advanced Research Center is happy to announce the launch of Trellix HAX 2023, our third annual capture the flag CTF competition! With 1...

SUSE CVE-2017-14170

In libavformat/mxfdec.c in FFmpeg 3.3.3 - 2.4, a DoS in mxfreadindexentryarray due to lack of an EOF End of File check might cause huge CPU consumption. When a crafted MXF file, which claims a large "nbindexentries" field in the header but does not contain sufficient backing data, is provided, th...

CVE-2023-24808

PDFio is a C library for reading and writing PDF files. In versions prior to 1.1.0 a denial of service DOS vulnerability exists in the pdfio parser. Crafted pdf files can cause the program to run at 100% utilization and never terminate. The pdf which causes this crash found in testing is about 28...

CVE-2023-22323

In BIP-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when OCSP authentication profile is configured on a virtual server, undisclosed requests can cause an increase in CPU resource utilization. Note: Software...

Design/Logic Flaw

On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.0 before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a BIG-IP Advanced WAF or BIG-IP ASM security policy is configured on a virtual server, undisclosed requests can cause an increase in memory resource...