PT-2026-36456

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the emac dispatch skb zc function where a new skb is allocated via napi alloc skb but packet data from the XDP buffer is not copied into it. This results in the skb...

SUSE CVE-2026-31623

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc-phonet: fix skb frags overflow in rxcomplete A malicious USB device claiming to be a CDC Phonet modem can overflow the skbsharedinfo-frags array by sending an unbounded sequence of full-page bulk transfers. Drop the...

Linux Distros Unpatched Vulnerability : CVE-2026-31623

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: usb: cdc-phonet: fix skb frags overflow in rxcomplete A malicious USB device claiming to be a CDC Phonet modem can overflow the skbsharedinfo-frags array b...

CVE-2026-31623

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc-phonet: fix skb frags overflow in rxcomplete A malicious USB device claiming to be a CDC Phonet modem can overflow the skbsharedinfo-frags array by sending an unbounded sequence of full-page bulk transfers. Drop the...

DEBIAN-CVE-2026-31616

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fphonet: fix skb frags overflow in pnrxcomplete A broken/bored/mean USB host can overflow the skbsharedinfo-frags array on a Linux gadget exposing a Phonet function by sending an unbounded sequence of full-page OUT...

CVE-2026-31623 net: usb: cdc-phonet: fix skb frags[] overflow in rx_complete()

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc-phonet: fix skb frags overflow in rxcomplete A malicious USB device claiming to be a CDC Phonet modem can overflow the skbsharedinfo-frags array by sending an unbounded sequence of full-page bulk transfers. Drop the...

CVE-2026-31623

The CVE-2026-31623 issue affects the Linux kernel net: usb: cdc-phonet driver. A malicious USB device claiming to be a CDC Phonet modem can overflow the skb_shared_info->frags[] array by sending an unbounded sequence of full-page bulk transfers in rx_complete(). The consequence described is a ...

CVE-2026-31623

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc-phonet: fix skb frags overflow in rxcomplete A malicious USB device claiming to be a CDC Phonet modem can overflow the skbsharedinfo-frags array by sending an unbounded sequence of full-page bulk transfers. Drop the...

CVE-2026-31616

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fphonet: fix skb frags overflow in pnrxcomplete A broken/bored/mean USB host can overflow the skbsharedinfo-frags array on a Linux gadget exposing a Phonet function by sending an unbounded sequence of full-page OUT...

CVE-2026-31616

The CVE-2026-31616 entry concerns a Linux kernel USB gadget Phonet function vulnerability. A malicious USB host can overflow the skb_shared_info->frags[] array in the pn_rx_complete() path by sending an unbounded sequence of full-page OUT transfers. The host filling req->length with PAGE_SI...

PT-2026-34968

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the USB gadget Phonet function where a USB host can cause an overflow of the skb shared info-frags array. This occurs when the host sends an unbounded sequence of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013634)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013634 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Fix memory leak in ath11kpeerrxfragsetup cryptoallocshash allocates resources, whic...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011219)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011219 advisory. In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced ...

kernel: sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

CVE-2026-23377

A flaw was found in the Linux kernel, specifically within the ice network driver and the eXpress Data Path XDP component. This vulnerability arises from an incorrect calculation of the fragsize in XDP receive queue information, which can lead to an invalid memory state known as "negative tailroom...

kernel: sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

UBUNTU-CVE-2026-23343

In the Linux kernel, the following vulnerability has been resolved: xdp: produce a warning when calculated tailroom is negative Many ethernet drivers report xdp Rx queue frag size as being the same as DMA write size. However, the only user of this field, namely bpfxdpfragsincreasetail, clearly...

CVE-2026-23377

In the Linux kernel, the following vulnerability has been resolved: ice: change XDP RxQ fragsize from DMA write length to xdp.framesz The only user of fragsize field in XDP RxQ info is bpfxdpfragsincreasetail. It clearly expects whole buff size instead of DMA write size. Different assumptions in...

UBUNTU-CVE-2026-23377

In the Linux kernel, the following vulnerability has been resolved: ice: change XDP RxQ fragsize from DMA write length to xdp.framesz The only user of fragsize field in XDP RxQ info is bpfxdpfragsincreasetail. It clearly expects whole buff size instead of DMA write size. Different assumptions in...

CVE-2026-23377 ice: change XDP RxQ frag_size from DMA write length to xdp.frame_sz

In the Linux kernel, the following vulnerability has been resolved: ice: change XDP RxQ fragsize from DMA write length to xdp.framesz The only user of fragsize field in XDP RxQ info is bpfxdpfragsincreasetail. It clearly expects whole buff size instead of DMA write size. Different assumptions in...