Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mctp: It now takes ownership of the skb in mctplocaloutput. Currently, mctplocaloutput only takes ownership of the skb on a successful operation. In some cases where mctplocaloutput fails, we might leak the skb. Ownership of...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the MCTP protocol within the Linux kernel. The function mctpunregister reclaims the device’s related resources when a netcard is detached. However, a running program may be unaware of this flaw, leading to a use-after-free of the mdev-addrs object, which could potentially...

Linux Kernel MCTP Routing Uninitialized Memory Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handlin...

SUSE CVE-2026-80995

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

Linux Distros Unpatched Vulnerability : CVE-2026-80995

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-d...

CVE-2026-80995

A flaw was found in the Linux kernel's MCTP Message Control Transport Protocol networking implementation. This vulnerability arises because the mctproutelookup function accesses a route device without holding a persistent reference, allowing the device to be deallocated while still in use. A loca...

DEBIAN-CVE-2026-80995

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

CVE-2026-80995

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

UBUNTU-CVE-2026-80995

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

DEBIAN-CVE-2026-80951

In the Linux kernel, the following vulnerability has been resolved: i3c: master: svc: bound IBI payload to the requested maxpayloadlen svci3cmasterhandleibi reads the IBI payload from the RX FIFO into the IBI slot. The loop is bounded by the hardware FIFO size SVCI3CFIFOSIZE, not by the slot size...

CVE-2026-80995

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

CVE-2026-80995 net: mctp: hold a reference to the route device in mctp_route_lookup()

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

CVE-2026-80995 net: mctp: hold a reference to the route device in mctp_route_lookup()

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

EUVD-2026-76318

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

CVE-2026-80995

A use-after-free vulnerability in the Linux kernel's MCTP (Message Control Transport Protocol) networking stack. The mctp_route_lookup() function accesses a route's device (rt->dev) without holding a persistent reference, allowing concurrent deallocation via mctp_dev_put() → kfree(). A subsequ...

CVE-2026-80995

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

CVE-2026-80995: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

PT-2026-90125

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the Linux kernel within the MCTP Management Component Transport Protocol implementation. The mctp route lookup function accesses the rt-dev device withou...

MCTP serial transport driver Heap Buffer Overflow DoS

The vulnerability of the mctpi2crecv function in the drivers/net/mctp/mctp-i2c.c module of the MCTP serial transport driver for the Linux operating system is related to improper memory release memory leak. Exploiting this vulnerability may allow a remote attacker to cause service interruptions...

Linux net/mctp/route.c mctp_flow_prepare_output Heap Buffer Overflow DoS

The vulnerability of the mctpflowprepareoutput function in the net/mctp/route.c module of the Linux kernel is related to deficiencies in the deserialization mechanism, due to insufficient protection of sensitive data. Exploiting this vulnerability could allow an attacker to compromise the...