PT-2026-98758

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the af packet module where the tpacket parse header function incorrectly casts the user-provided tpacket hdr.tp len variable, which is a u32 unsigned 32-bit integer, t...

PT-2026-94411

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the virtio-net component where a user can specify an arbitrary gso size in a packet crafted with an AF PACKET PACKET VNET HDR socket. If the gso size is set to a value...

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...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afpacket: fixed vlangetprotocoldgram vs MSGPEEK The responsible commit forgot to handle the MSGPEEK case, resulting in a crash 1, as detected by syzbot. vlangetprotocoldgram was rewritten so that it does not touch the skb at...

PT-2026-72208

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.0 Description An issue exists in the macsec encrypt function where the Ethernet header is read via eth hdrskb to move source and destination MAC bytes forward for SecTAG placement. On the AF PACKET SOCK RAW + PACKET QDIS...

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...

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...