Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw in the processing of received ICMP errors such as ICMP fragments and ICMP redirections within the Linux kernel’s functionality was identified. This flaw allows an off-path remote user to quickly scan open UDP ports. This vulnerability enables a remote user to bypass the UDP source port...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: mceusb: Use the new usbcontrolmsg routines. Automatic kernel fuzzing led to a WARN message regarding an invalid pipe direction in the mceusb driver: ------------ Cut here ------------ usb 6-1: BOGUS control dir, pipe...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fixed the null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP, and it will be forwarded to an external IP in t...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021641)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021641 advisory. In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering iprtbug arp link failure may trigger iprtbug while xfrm...

EUVD-2026-29387

Issuing an ICMP ping via the net ping shell command to a device's own IPv4 address causes the network stack to recursively re-enter the input path on the same system work-queue stack. Because the destination is recognized as a local address, both the echo request and the resulting echo reply are...

CVE-2026-1681 net: Stack Overflow with Ping (to own IP Address) via Shell

Issuing an ICMP ping via the net ping shell command to a device's own IPv4 address causes the network stack to recursively re-enter the input path on the same system work-queue stack. Because the destination is recognized as a local address, both the echo request and the resulting echo reply are...

PT-2026-39942

Issuing an ICMP ping via the net ping shell command to a device's own IPv4 address causes the network stack to recursively re-enter the input path on the same system work-queue stack. Because the destination is recognized as a local address, both the echo request and the resulting echo reply are...

CVE-2026-43428

A flaw was found in the Linux kernel's USB core. The usbcontrolmsg, usbbulkmsg, and usbinterruptmsg APIs allow for unlimited timeout durations. These APIs use uninterruptible waits, which can cause a task to hang indefinitely. This can lead to a denial of service DoS as the task cannot be...

EUVD-2026-28734

In the Linux kernel, the following vulnerability has been resolved: USB: core: Limit the length of unkillable synchronous timeouts The usbcontrolmsg, usbbulkmsg, and usbinterruptmsg APIs in usbcore allow unlimited timeout durations. And since they use uninterruptible waits, this leaves open the...

CVE-2026-43428

In the Linux kernel, the following vulnerability has been resolved: USB: core: Limit the length of unkillable synchronous timeouts The usbcontrolmsg, usbbulkmsg, and usbinterruptmsg APIs in usbcore allow unlimited timeout durations. And since they use uninterruptible waits, this leaves open the...

The vulnerability of the dissect_icmpv6_nd_opt() function in the ICMPv6 protocol analyzer for computer network traffic analysis tool Wireshark allows a hacker to cause a service failure.

The vulnerability of the dissecticmpv6ndopt function in the ICMPv6 protocol analyzer for computer network traffic analysis tool Wireshark is related to an uncontrolled recursion. Exploiting this vulnerability could allow a attacker to cause service interruptions...

CVE-2026-43099

In the Linux kernel, the following vulnerability has been resolved: ipv4: icmp: fix null-ptr-deref in icmpbuildprobe ipv6stub-ipv6devfind may return ERRPTR-EAFNOSUPPORT when the IPv6 stack is not active CONFIGIPV6=m and not loaded, and passing this error pointer to devhold will cause a kernel cra...

CVE-2026-43099

The CVE-2026-43099 issue affects the Linux kernel, specifically the IPv4/ICMP path and the IPv6 stub handling. When the IPv6 stack is not active (CONFIG_IPV6=m and not loaded), ipv6_dev_find() may return ERR_PTR(-EAFNOSUPPORT); passing that to dev_hold() can cause a null pointer dereference and a...

PT-2026-37409

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null pointer dereference exists in the icmp build probe function. This occurs when the IPv6 stack is not active specifically when CONFIG IPV6=m and not loaded, causing ipv6 stub-ipv6 d...

Linux Distros Unpatched Vulnerability : CVE-2026-43099

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv4: icmp: fix null-ptr-deref in icmpbuildprobe ipv6stub-ipv6devfind may return ERRPTR-EAFNOSUPPORT when the IPv6 stack is not active CONFIGIPV6=m and not...

CVE-2026-43037

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: clear skb2-cb in ip4ip6err Oskar Kjos reported the following problem. ip4ip6err calls icmpsend on a cloned skb whose cb was written by the IPv6 receive path as struct inet6skbparm. icmpsend passes IPCBskb2 to...

EUVD-2026-26636

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: clear skb2-cb in ip4ip6err Oskar Kjos reported the following problem. ip4ip6err calls icmpsend on a cloned skb whose cb was written by the IPv6 receive path as struct inet6skbparm. icmpsend passes IPCBskb2 to...

RHEL 8 : ovn23.06 (RHSA-2026:11695)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:11695 advisory. OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add...

CVE-2026-7423 Integer Underflow in ICMP Echo Reply Processing in FreeRTOS-Plus-TCP

Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network user to cause a denial of service device crash when outgoing ping support is enabled, because header sizes are subtracted from a packet length field without...

Important: Red Hat Security Advisory: ovn25.03 security update

An update for ovn25.03 is now available for Fast Datapath for Red Hat Enterprise Linux 9. 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 available for each...