CVE-2026-80827 USB: serial: option: fix slab OOB read in interrupt URB callback

In the Linux kernel, the following vulnerability has been resolved: USB: serial: option: fix slab OOB read in interrupt URB callback The interrupt URB buffer is allocated in setupportinterruptin based on the endpoint's wMaxPacketSize: buffersize = usbendpointmaxpepd; port-interruptinbuffer =...

CVE-2026-80760 Bluetooth: MGMT: reject HCI_CMD_SYNC params_len above 255

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: reject HCICMDSYNC paramslen above 255 mgmthcicmdsync checks that the message length agrees with paramslen but puts no upper bound on it. paramslen is le16 while the parameter length in the HCI command header is a...

kernel: packet: use consistent hard_header_len in non-ring send paths

An out-of-bounds write problem was observed in packetsendmsgspkt in net/packet/afpacket.c in the Linux Kernel. In this flaw, AFPACKET hardheaderlen race may allow local privilege escalation...

af_packet: Don't send zero-byte data in tpacket_snd().

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EUVD-2026-70779

MOOS-IvP through 24.8.1 contains a denial of service vulnerability in the Demuxer::addMuxPacket function that trusts the packet count declared in mux headers without validation. Attackers can declare arbitrarily large packet counts to trigger unbounded memory allocation, exhausting system resourc...

EUVD-2026-70776

MOOS core-moos through 10.4.0 fails to validate packet length declarations in CMOOSCommPkt::OnBytesWritten, allowing unauthenticated attackers to trigger unbounded buffer allocation by sending crafted wire packets. Attackers can send packets with large declared lengths to exhaust server memory an...

EUVD-2026-70800

MOOS core-moos through 10.4.0 contains a pre-authentication heap overflow vulnerability in MOOSCommPkt packet handling that allows remote attackers to write arbitrary data by declaring a negative packet length. Attackers can exploit the signed integer check in InflateTo and negative size conversi...

PT-2026-85724

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handle esp restores skb-dev from the saved skb iif before passing the packet into the XFRM input path. Queued TCP data ca...

Ubuntu 18.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-8715-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8715-1 advisory. Siebe Devroe, Hlose Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in...

PT-2026-86192

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description An issue exists in the IPVS IP Virtual Server component where checksum validations are missing or incorrect for certain packet types. Specifically, the ip vs in icmp v6 function fails to...

Linux Distros Unpatched Vulnerability : CVE-2026-80841

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/packet: defer vmalloc TXRING free until skbs finish AFPACKET TXRING skbs keep a raw pointer to their ring frame. The skb page references preserve page-backe...

Linux Distros Unpatched Vulnerability : CVE-2026-80742

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - afpacket: Don't send zero-byte data in tpacketsnd. syzbot reported a WARNING in devqueuexmit triggered via tpacketsnd: skbassertlen WARNING: at...

CVE-2026-80841: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/packet: defer vmalloc TXRING free until skbs finish AFPACKET TXRING skbs keep a raw pointer to their ring frame. The skb page references preserve page-backed ring blocks after pgvec is freed, but they do not preserve a vmallo...

PT-2026-91303

In the Linux kernel, the following vulnerability has been resolved: net/packet: defer vmalloc TX RING free until skbs finish AF PACKET TX RING skbs keep a raw pointer to their ring frame. The skb page references preserve page-backed ring blocks after pg vec is freed, but they do not preserve a...

CVE-2026-80837: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: don't queue packet path object notifications All file:line references below are against v7.2-rc4 ac5b0e5651b1. The trace was captured on 7.2.0-rc6-kasan72rc6 075b74841bd0, where the same lines apply...

PT-2026-86197

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists when processing VLAN-tagged frames where the transport header is incorrectly set. In the packet parse headers function, skb set network header is called to advance the...

PT-2026-85705

In the Linux kernel, the following vulnerability has been resolved: USB: serial: option: fix slab OOB read in interrupt URB callback The interrupt URB buffer is allocated in setup port interrupt in based on the endpoint's wMaxPacketSize: buffer size = usb endpoint maxpepd; port-interrupt in buffe...

PT-2026-91791

In the Linux kernel, the following vulnerability has been resolved: net: packet: fix wrong transport header when sending VLAN-tagged frame In packet parse headers, when processing a VLAN-tagged frame, skb set network header is called to advance network header past the VLAN tag to the inner protoc...

RHEL 8 : kernel (RHSA-2026:63537)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:63537 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: packet: use consistent hardheaderlen i...

Linux Distros Unpatched Vulnerability : CVE-2026-80906

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: packet: fix wrong transportheader when sending VLAN-tagged frame In packetparseheaders, when processing a VLAN-tagged frame, skbsetnetworkheader is called ...