Security update for the Linux Kernel RT (Live Patch 8 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506001026 fixes several issues. The following security issues were fixed: CVE-2025-21680: pktgen: Avoid out-of-bounds access in getimixentries bsc1236701. CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync bsc1239096...

The vulnerability of the pktgen_thread_worker() function in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the pktgenthreadworker function in the Linux operating system’s kernel is related to insufficient resource locking. Exploiting this vulnerability can allow an attacker to cause a service failure...

UBUNTU-CVE-2025-21925

In the Linux kernel, the following vulnerability has been resolved: llc: do not use skbget before devqueuexmit syzbot is able to crash hosts 1, using llc and devices not supporting IFFTXSKBSHARING. In this case, e1000 driver calls ethskbpad, while the skb is shared. Simply replace skbget by...

PT-2025-25835

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability has been resolved in the Linux kernel. The issue is related to the pktgen thread write function, where access outside of a user-given buffer occurred. The fix involves...

The vulnerability of the get_imix_entries() function in the net/core/pktgen.c module of the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the getimixentries function in the net/core/pktgen.c module of the Linux kernel is related to unvalidated array indexing. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

SUSE CVE-2025-21680

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

CVE-2025-21680

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

CVE-2025-21680

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

AZL-56375 CVE-2025-21680 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

DEBIAN-CVE-2025-21680

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

AZL-56406 CVE-2025-21680 affecting package kernel for versions less than 5.15.180.1-1

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

CVE-2025-21680 pktgen: Avoid out-of-bounds access in get_imix_entries

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

CVE-2025-21680 pktgen: Avoid out-of-bounds access in get_imix_entries

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

CVE-2025-21680

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

CVE-2025-21680 pktgen: Avoid out-of-bounds access in get_imix_entries

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

CVE-2025-21680

The CVE-2025-21680 issue affects the Linux kernel’s pktgen code, specifically get_imix_entries, where an insufficient boundary check on the imix_entries array allows out-of-bounds access when a large number of imix entries are passed. This leads to UBSAN reported array-index-out-of-bounds in net/...

CVE-2024-46681

In the Linux kernel, the following vulnerability has been resolved: pktgen: use cpusreadlock in pgnetinit I have seen the WARNONsmpprocessorid != cpu firing in pktgenthreadworker during tests. We must use cpusreadlock/cpusreadunlock around the foreachonlinecpucpu loop. While we are at it use...

CVE-2024-46681

In the Linux kernel, the following vulnerability has been resolved: pktgen: use cpusreadlock in pgnetinit I have seen the WARNONsmpprocessorid != cpu firing in pktgenthreadworker during tests. We must use cpusreadlock/cpusreadunlock around the foreachonlinecpucpu loop. While we are at it use...

AZL-49328 CVE-2024-46681 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: pktgen: use cpusreadlock in pgnetinit I have seen the WARNONsmpprocessorid != cpu firing in pktgenthreadworker during tests. We must use cpusreadlock/cpusreadunlock around the foreachonlinecpucpu loop. While we are at it use...

DEBIAN-CVE-2024-46681

In the Linux kernel, the following vulnerability has been resolved: pktgen: use cpusreadlock in pgnetinit I have seen the WARNONsmpprocessorid != cpu firing in pktgenthreadworker during tests. We must use cpusreadlock/cpusreadunlock around the foreachonlinecpucpu loop. While we are at it use...