CVE-2026-64334

Summary

In the Linux kernel, the following vulnerability has been resolved:

USB: serial: digi_acceleport: fix hard lockup on disconnect

If submitting the OOB write urb fails persistently (e.g if the device is being disconnected) the driver would loop indefinitely with interrupts disabled.

Check for urb submission errors when sending OOB commands to avoid hanging if, for example, open(), set_termios() or close() races with a physical disconnect.

This is issue was flagged by Sashiko when reviewing an unrelated change to the driver.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6e51147c2744d15730084dc89cc99180d3de4184affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6a8592ace932081ea11aea41c460a1ca0f6344a4affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5a82d842e8c35227d7227f19e5e654df1451782caffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bcfeae431db9986c2b313e6a760f2ac8df61e138affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2067b3838da6e4af03bae3630414193188d754b2affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2b7dc482f859f2d027db07ff0efc1c5df5b3451aaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 79bc131df0e50f8f663c1fdbbe952aaf193a8d39affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5c1ea24b53bf3bfb859f0a05573997487975da23affected
LinuxLinux2.6.12affected
LinuxLinux0 < 2.6.12unaffected
LinuxLinux5.10.261 <= 5.10.*unaffected
LinuxLinux5.15.212 <= 5.15.*unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.96 <= 6.12.*unaffected
LinuxLinux6.18.39 <= 6.18.*unaffected
LinuxLinux7.1.4 <= 7.1.*unaffected
LinuxLinux7.2-rc3 <= *unaffected

Weaknesses

References