In the Linux kernel, the following vulnerability has been resolved:
USB: serial: mct_u232: fix memory corruption with small endpoint
The driver overrides the maximum transfer size for a specific device which only accepts 16 byte packets for its 32 byte bulk-out endpoint.
Make sure to never increase the maximum transfer size to prevent slab corruption should a malicious device report a smaller endpoint max packet size than expected.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernelUpgrade perfUpgrade kernel-tools-develUpgrade python-perfUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-debuginfo-common-aarch64Upgrade python-perf-debuginfoUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-livepatch-5.10.259-258.1043Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-devel | Aug 2, 2026 | Aug 2, 2026 |
| Debian | — | Upgrade linux | Jul 20, 2026 | Jul 20, 2026 |
| Redhat_linux | — | No solution exists | Jul 23, 2026 | Jul 19, 2026 |
| Ubuntu | — | Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-azureUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-raspiUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-7.0.0-1009-awsUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-azure-fde-7.0Upgrade linux-image-ibm-7.0Upgrade linux-image-nvidia-7.0Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-azure-7.0Upgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-oracle-7.0Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-ibmUpgrade linux-image-nvidia-bosUpgrade linux-image-nvidiaUpgrade linux-image-7.0.0-1008-oracle-64kUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-azure-fdeUpgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-gcp-64kUpgrade linux-image-7.0.0-1008-oracleUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-raspi-7.0Upgrade linux-image-gcp-7.0Upgrade linux-image-aws-64kUpgrade linux-image-7.0.0-1014-azureUpgrade linux-image-nvidia-64kUpgrade linux-image-oracle-64kUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-oracleUpgrade linux-image-gcpUpgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-aws-64k-7.0Upgrade linux-image-awsUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-7.0.0-1010-ibmUpgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-raspi-realtime | Jul 21, 2026 | Jul 20, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 27, 2026 | Jul 19, 2026 |
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