In the Linux kernel, the following vulnerability has been resolved:
net: usb: cdc-phonet: fix skb frags[] overflow in rx_complete()
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.
Drop the skb and increment the length error when the frag limit is reached. This matches the same fix that commit f0813bcd2d9d ("net: wwan: t7xx: fix potential skb->frags overflow in RX path") did for the t7xx driver.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 5, 2026 | Jul 5, 2026 |
| Ubuntu | — | Upgrade linux-image-gkeUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-136-lowlatencyUpgrade linux-image-7.0.0-1007-gcpUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-gkeopUpgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-oem-24.04Upgrade linux-image-5.15.0-1106-ibmUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-generic-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-oem-22.04aUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-6.8.0-136-lowlatency-64kUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-generic-5.15Upgrade linux-image-oracle-7.0Upgrade linux-image-azureUpgrade linux-image-nvidia-tegraUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-azure-6.8Upgrade linux-image-5.15.0-186-fipsUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.8.0-136-fipsUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-oem-20.04Upgrade linux-image-realtime-7.0Upgrade linux-image-intelUpgrade linux-image-5.15.0-186-generic-lpaeUpgrade linux-image-oem-20.04bUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-nvidia-5.15Upgrade linux-image-7.0.0-1009-ibmUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-oem-22.04cUpgrade linux-image-5.15.0-1104-kvmUpgrade linux-image-6.8.0-1030-nvidia-tegra-rtUpgrade linux-image-5.15.0-1107-intel-iotgUpgrade linux-image-6.8.0-1058-oracle-64kUpgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-aws-7.0Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-virtual-6.8Upgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-5.15.0-1117-azure-fdeUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-oem-24.04bUpgrade linux-image-ibm-5.15Upgrade linux-image-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1059-gke-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-azure-lts-22.04Upgrade linux-image-generic-64k-7.0Upgrade linux-image-aws-fipsUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-7.0.0-1007-gcp-64kUpgrade linux-image-gke-5.15Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-intel-iotgUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1033-xilinxUpgrade linux-image-6.8.0-1064-gcpUpgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-6.8.0-1061-raspiUpgrade linux-image-5.15.0-1107-nvidiaUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-raspiUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-azure-fde-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-7.0.0-1013-nvidia-64kUpgrade linux-image-gcp-7.0Upgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-7.0.0-1008-aws-64kUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-aws-6.8Upgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-aws-64k-7.0Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-azure-fde-7.0Upgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-aws-64kUpgrade linux-image-aws-fips-5.15Upgrade linux-image-ibm-7.0Upgrade linux-image-fipsUpgrade linux-image-5.15.0-1112-gcp-fipsUpgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-nvidiaUpgrade linux-image-7.0.0-1013-nvidiaUpgrade linux-image-7.0.0-28-generic-64kUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-64k-5.15Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-genericUpgrade linux-image-kvm-5.15Upgrade linux-image-7.0.0-1014-raspi-realtimeUpgrade linux-image-azure-fde-5.15Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-aws-5.15Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-lowlatency-5.15Upgrade linux-image-5.15.0-1075-xilinx-zynqmpUpgrade linux-image-5.15.0-1107-nvidia-lowlatencyUpgrade linux-image-5.15.0-1109-oracleUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-oracle-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-raspi-5.15Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-raspi-6.8Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-oracle-6.8Upgrade linux-image-oem-24.04cUpgrade linux-image-oem-22.04dUpgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-xilinxUpgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-awsUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-azure-fipsUpgrade linux-image-fips-5.15Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-7.0.0-28-genericUpgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-5.15.0-186-genericUpgrade linux-image-5.15.0-1112-aws-64kUpgrade linux-image-5.15.0-1095-gkeopUpgrade linux-image-oracle-5.15Upgrade linux-image-kvmUpgrade linux-image-oem-22.04bUpgrade linux-image-azure-5.15Upgrade linux-image-gcpUpgrade linux-image-oem-24.04dUpgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-generic-hwe-26.04Upgrade linux-image-gcp-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-aws-64k-6.8Upgrade linux-image-7.0.0-27-generic-64kUpgrade linux-image-7.0.0-1008-awsUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-6.8.0-1059-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-5.15.0-186-generic-64kUpgrade linux-image-5.15.0-1064-nvidia-tegra-rtUpgrade linux-image-ibm-6.8Upgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-gke-64kUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-7.0.0-1014-raspiUpgrade linux-image-6.8.0-1046-gkeopUpgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-5.15.0-1112-awsUpgrade linux-image-realtime-5.15Upgrade linux-image-realtime-64kUpgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-1104-intel-iot-realtimeUpgrade linux-image-generic-7.0Upgrade linux-image-generic-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-5.15.0-1117-azure-fipsUpgrade linux-image-5.15.0-1112-gcpUpgrade linux-image-5.15.0-1108-gkeUpgrade linux-image-5.15.0-1064-nvidia-tegraUpgrade linux-image-virtual-5.15Upgrade linux-image-oem-24.04aUpgrade linux-image-nvidia-64kUpgrade linux-image-gcp-6.8Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-7.0.0-27-realtimeUpgrade linux-image-laptop-23.10Upgrade linux-image-6.8.0-1061-awsUpgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-1059-gkeUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-5.15.0-184-lowlatency-64kUpgrade linux-image-aws-fips-6.8Upgrade linux-image-nvidia-7.0Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.15.0-1106-raspiUpgrade linux-image-6.8.0-1061-aws-fipsUpgrade linux-image-5.15.0-1117-azureUpgrade linux-image-7.0.0-27-realtime-64kUpgrade linux-image-oracleUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-gcp-fipsUpgrade linux-image-azure-fdeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-azure-7.0Upgrade linux-image-fips-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-aws-64k-5.15Upgrade linux-image-6.8.0-136-genericUpgrade linux-image-5.15.0-1053-nvidia-tegra-igxUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-oem-20.04dUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-realtime-64k-7.0Upgrade linux-image-raspi-nolpaeUpgrade linux-image-gke-64k-6.8Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-gcp-5.15Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-7.0.0-1007-oracle-64kUpgrade linux-image-7.0.0-1007-oracleUpgrade linux-image-5.15.0-1111-realtimeUpgrade linux-image-5.15.0-1053-nvidia-tegra-igx-rtUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64k-6.8Upgrade linux-image-aws-lts-22.04Upgrade linux-image-7.0.0-27-genericUpgrade linux-image-6.8.0-2050-raspi-realtimeUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1063-azure-fipsUpgrade linux-image-5.15.0-184-lowlatencyUpgrade linux-image-5.15.0-1112-aws-fipsUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-virtual-7.0Upgrade linux-image-realtimeUpgrade linux-image-raspi-7.0 | Jul 1, 2026 | Apr 24, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jun 15, 2026 | Apr 24, 2026 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub