CVE-2026-89734 is a vulnerability in Linux Kernel
Published on September 11, 2026
usb: gadget: uvc: Fix null pointer dereference in uvcg_video_init()
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: uvc: Fix null pointer dereference in uvcg_video_init()
In uvcg_video_init(), if kthread_run_worker() fails,
the error logged uses uvcg_err(), however, the pointer it uses:
video->uvc is not assigned at this point, triggering a null
pointer dereference. Fix this by directly using uvc->func which
is assigned already.
Products Associated with CVE-2026-89734
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Affected Versions
Linux:- Version f0bbfbd16b3b67106535299d6a9ca3a5565494a6 and below dbe2762ae8e543b06c57f1ac6512b02fd3fd09b2 is affected.
- Version f0bbfbd16b3b67106535299d6a9ca3a5565494a6 and below d511e015d06767f52bb18d48371cab6d7cb88433 is affected.
- Version f0bbfbd16b3b67106535299d6a9ca3a5565494a6 and below 5b1da38592efdc1a263d4c0353298cba19e9d6fc is affected.
- Version 6.13 is affected.
- Before 6.13 is unaffected.
- Version 6.18.50, <= 6.18.* is unaffected.
- Version 7.2.4, <= 7.2.* is unaffected.
- Version 7.3-rc1, <= * is unaffected.