PT-2026-72208

In the Linux kernel, the following vulnerability has been resolved: macsec: don't read an unset MAC header in macsec encrypt macsec encrypt reads the Ethernet header via eth hdrskb skb-head + skb-mac header to memmove the 12 source/destination MAC bytes forward and make room for the SecTAG. On th...

The vulnerability of the packet_do_bind() function in the net/packet/af_packet.c module of the Linux operating system allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the packetdobind function in the net/packet/afpacket.c module of the Linux operating system is related to the reutilization of previously freed memory due to concurrent access to resources. Exploiting this vulnerability could allow an attacker to compromise the confidentialit...

CVE-2026-53223

In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue skbs skbiserrqueue treats PACKETOUTGOING as the sole marker for an skb from skerrorqueue. That assumption is not true for AFPACKET sockets: outgoing packet taps are also delivered to...

CVE-2026-53223

In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue skbs skbiserrqueue treats PACKETOUTGOING as the sole marker for an skb from skerrorqueue. That assumption is not true for AFPACKET sockets: outgoing packet taps are also delivered to...

CVE-2026-53223

In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue skbs skbiserrqueue treats PACKETOUTGOING as the sole marker for an skb from skerrorqueue. That assumption is not true for AFPACKET sockets: outgoing packet taps are also delivered to...

CVE-2026-53223 net: guard timestamp cmsgs to real error queue skbs

In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue skbs skbiserrqueue treats PACKETOUTGOING as the sole marker for an skb from skerrorqueue. That assumption is not true for AFPACKET sockets: outgoing packet taps are also delivered to...

CVE-2026-53223 net: guard timestamp cmsgs to real error queue skbs

In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue skbs skbiserrqueue treats PACKETOUTGOING as the sole marker for an skb from skerrorqueue. That assumption is not true for AFPACKET sockets: outgoing packet taps are also delivered to...

EUVD-2026-39314

In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue skbs skbiserrqueue treats PACKETOUTGOING as the sole marker for an skb from skerrorqueue. That assumption is not true for AFPACKET sockets: outgoing packet taps are also delivered to...

CVE-2026-52942

In the Linux kernel, the following vulnerability has been resolved: netfilter: nflog: validate MAC header was set before dumping it The fallback path of dumpmacheader guards the MAC header access only with "skb-macheader != skb-networkheader", without checking skbmacheaderwasset. When the MAC...

UBUNTU-CVE-2026-52942

In the Linux kernel, the following vulnerability has been resolved: netfilter: nflog: validate MAC header was set before dumping it The fallback path of dumpmacheader guards the MAC header access only with "skb-macheader != skb-networkheader", without checking skbmacheaderwasset. When the MAC...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/packet: fixed a slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket uses PACKETCOPYTHRESH and mmap operations, tpacketrcv queues SkBs with garbage in skb-cb, causing an excessive copy...

CVE-2026-31675

A flaw was found in the Linux kernel's netem network emulator module. When processing certain non-linear network packets, specifically those sent via an AFPACKET TXRING over an IPIP tunnel, a calculation error can occur. This error leads to an out-of-bounds memory access, which could result in...

Linux Distros Unpatched Vulnerability : CVE-2026-31675

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: schnetem: fix out-of-bounds access in packet corruption In netemenqueue, the packet corruption logic uses getrandomu32belowskbheadlenskb to select an...

ROS-20260324-73-0027

A vulnerability in the net/packet/afpacket.c component of the Linux operating system kernel is related to synchronization errors when using a shared resource. Exploitation of the vulnerability allows an attacker to cause a denial of service...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001610)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001610 advisory. Race condition in net/packet/afpacket.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service use-after-free or possibly have unspecified...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004190)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004190 advisory. An issue was discovered in the Linux kernel before 5.4.7. The prbcalcretireblktmo function in net/packet/afpacket.c can result in a denial of service CPU consumption...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000592)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000592 advisory. Race condition in net/packet/afpacket.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cause a denial of service use-after-free by...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003129)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003129 advisory. Linux kernel: heap out-of-bounds in AFPACKET sockets. This new issue is analogous to previously disclosed CVE-2016-8655. In both cases, a socket option that changes...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002613)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002613 advisory. In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanoutadd from setsockopt and bind on an AFPACKET socket. This issue...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003212)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003212 advisory. Linux kernel: heap out-of-bounds in AFPACKET sockets. This new issue is analogous to previously disclosed CVE-2016-8655. In both cases, a socket option that changes...