Siemens SIMATIC and SIPLUS products Uncontrolled Resource Consumption (CVE-2025-40944)

Affected devices do not properly handle S7 protocol session disconnect requests. When receiving a valid S7 protocol Disconnect Request COTP DR TPDU on TCP port 102, the devices enter an improper session state. This could allow an attacker to cause the device to become unresponsive, leading to a...

Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it CVE-2025-38403 kernel: net: use dstdevrcu in sksetupcaps...

Oracle Linux 10 : kernel (ELSA-2026-2282)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-2282 advisory. - mptcp: Use skdstget and dstdevrcu in mptcpactiveenable. Davide Caratti RHEL-129044 CVE-2025-40133 - vsock/vmci: Clear the vmci transport packet...

Oracle Linux 8 : kernel (ELSA-2026-2264)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-2264 advisory. - ext4: fix use-after-free in ext4orphancleanup CKI Backport Bot RHEL-136000 CVE-2022-50673 - ext4: lost matching-pair of trace in ext4truncate CKI...

kernel: mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable()

A use-after-free flaw was found in Multipath TCP in the Linux kernel in net/mptcp/ctrl.c:mptcpactiveenablecode due to concurrency problem. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem...

kernel: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix NULL pointer dereferences in nvmettcpbuildpduiovec Commit efa56305908b "nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length" added ttag bounds checking and dataoffset validation in...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

ALSA-2026:2264 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it CVE-2025-38403 kernel: net: use dstdevrcu in sksetupcaps CVE-2025-40170 kernel: ipv6: use RCU in ip6xmit...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it CVE-2025-38403 kernel: net: use dstdevrcu in sksetupcaps CVE-2025-40170 kernel: ipv6: use RCU in ip6xmit...

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50094)

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50094 advisory. - mptcp: fix a race in mptcppmdeladdtimer Eric Dumazet Orabug: 38932996 CVE-2025-40257 - tls: Use skdstget and dstdevrcu in getnetdevforsock...

Unbreakable Enterprise kernel security update

6.12.0-107.59.3.4 - mptcp: fix a race in mptcppmdeladdtimer Eric Dumazet Orabug: 38932996 CVE-2025-40257 - tls: Use skdstget and dstdevrcu in getnetdevforsock. Kuniyuki Iwashima Orabug: 38932973 CVE-2025-40149 - mptcp: fix race condition in mptcpschedulework Eric Dumazet Orabug: 38932955...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: tcpmetrics: use dstdevnetrcu CVE-2025-40075 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.15 Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and this...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2026-117 (ALASKERNEL-5.4-2026-117)

The version of kernel installed on the remote host is prior to 5.4.302-222.455. It is, therefore, affected by a vulnerability as referenced in the ALAS2KERNEL-5.4-2026-117 advisory. In the Linux kernel, the following vulnerability has been resolved: tcpmetrics: use dstdevnetrcu CVE-2025-40075...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: tcpmetrics: use dstdevnetrcu CVE-2025-40075 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.10 Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and this...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-097 (ALASKERNEL-5.15-2026-097)

The version of kernel installed on the remote host is prior to 5.15.197-138.223. It is, therefore, affected by a vulnerability as referenced in the ALAS2KERNEL-5.15-2026-097 advisory. In the Linux kernel, the following vulnerability has been resolved: tcpmetrics: use dstdevnetrcu CVE-2025-40075...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-111 (ALASKERNEL-5.10-2026-111)

The version of kernel installed on the remote host is prior to 5.10.247-246.992. It is, therefore, affected by a vulnerability as referenced in the ALAS2KERNEL-5.10-2026-111 advisory. In the Linux kernel, the following vulnerability has been resolved: tcpmetrics: use dstdevnetrcu CVE-2025-40075...

kernel: tcp: fix a signed-integer-overflow bug in tcp_add_backlog()

A flaw was found in the Linux kernel’s TCP implementation in the function tcpaddbacklog. When calculating the maximum acceptable backlog for TCP sockets, the sum of the receive buffer skrcvbuf, the send buffer sksndbuf, and a fixed constant may exceed the maximum value of a signed integer due to...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

MiracleLinux 8 : kernel-4.18.0-553.100.1.el8_10 (AXSA:2026-139:07)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-139:07 advisory. kernel: IB/hfi1: Fix sdma.h tx-numdescs off-by-one error CVE-2024-26766 kernel: RDMA/core: Fix KASAN: slab-use-after-free Read in ibregisterdevice...

RHEL 9 : kernel (RHSA-2026:1909)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:1909 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: vsock...