In the Linux kernel, the following vulnerability has been resolved:
USB: serial: digi_acceleport: fix write buffer corruption
The digi_write_inb_command() is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the urb on timeout.
To make things worse, for commands like break control where no timeout is used, the driver would corrupt the urb immediately due to a broken jiffies comparison (on 32-bit machines this takes five minutes of uptime to trigger due to INITIAL_JIFFIES).
Fix this by adding the missing return on timeout and waiting indefinitely when no timeout has been specified as intended.
This issue was (sort of) flagged by Sashiko when reviewing an unrelated change to the driver.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.12Upgrade linux-6.1 | Jul 28, 2026 | Jul 28, 2026 |
| Redhat_linux | — | No solution exists | Jul 31, 2026 | Jul 25, 2026 |
| Ubuntu | — | Upgrade linux-image-oem-7.0Upgrade linux-image-realtime-64kUpgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-aws-64kUpgrade linux-image-generic-64kUpgrade linux-image-7.0.0-1013-ibmUpgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-realtimeUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-7.0.0-1013-oemUpgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-generic-64k-7.0Upgrade linux-image-virtualUpgrade linux-image-7.0.0-2018-nvidia-bosUpgrade linux-image-genericUpgrade linux-image-gkeUpgrade linux-image-ibm-7.0Upgrade linux-image-7.0.0-31-genericUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-gcpUpgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-gke-hwe-26.04Upgrade linux-image-virtual-7.0Upgrade linux-image-nvidia-64kUpgrade linux-image-oem-26.04bUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-7.0.0-1012-awsUpgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-gcp-7.0Upgrade linux-image-generic-7.0Upgrade linux-image-awsUpgrade linux-image-gke-64kUpgrade linux-image-oem-26.04aUpgrade linux-image-gke-64k-7.0Upgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-oem-26.04Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-aws-7.0Upgrade linux-image-raspiUpgrade linux-image-realtime-7.0Upgrade linux-image-nvidia-7.0Upgrade linux-image-gcp-64kUpgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-bosUpgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-gke-7.0Upgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-ibm | Sep 14, 2026 | Sep 7, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 3, 2026 | Jul 25, 2026 |
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