CVE-2026-89734: Linux vulnerability

CVE-2026-89734: 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.

UnknownCVSS not scoredNot KEV-listedUpdatedOct 19, 2026, 08:51 UTC (UTC+00:00)

Potential ATT&CK relevance

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CVE-2026-89734 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 11, 2026, 19:46 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

3Timeline events

0ADP providers

4Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
Sep 11, 2026, 19:38 UTC (UTC+00:00)
CVE publishedCVE Program
The CVE record was published.
Sep 11, 2026, 19:46 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
Oct 19, 2026, 08:51 UTC (UTC+00:00)

Source materials

CVE List V5 sourceCVE List V5
https://git.kernel.org/stable/c/dbe2762ae8e543b06c57f1ac6512b02fd3fd09b2CVE reference, Linux
https://git.kernel.org/stable/c/d511e015d06767f52bb18d48371cab6d7cb88433CVE reference, Linux
https://git.kernel.org/stable/c/5b1da38592efdc1a263d4c0353298cba19e9d6fcCVE reference, Linux

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

LinuxLinuxf0bbfbd16b3b67106535299d6a9ca3a5565494a6, f0bbfbd16b3b67106535299d6a9ca3a5565494a6, f0bbfbd16b3b67106535299d6a9ca3a5565494a6unaffected

LinuxLinux6.13, 0, 6.18.50, 7.2.4, 7.3affected

Weakness

CWE details

No CWE listed

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