Threats Tagged 'ubuntu-cve-2026-31473'
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Threats Tagged 'ubuntu-cve-2026-31473'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: media: mc, v4l2: serialize REINIT and REQBUFS with req_queue_mutex… (CVE-2026-31473)CVE-2026-31473 0 In the Linux kernel, the following vulnerability has been resolved: media: mc, v4l2: serialize REINIT and REQBUFS with req_queue_mutex MEDIA_REQUEST_IOC_REINIT can run concurrently with VIDIOC_REQBUFS(0) queue teardown paths. This can race request object cleanup against vb2 queue cancellation and lead to use-after-free reports. We already serialize request queueing against STREAMON/OFF with req_queue_mutex. Extend that serialization to REQBUFS, and also take the same mutex in media_request_ioctl_reinit() so REINIT is in the same exclusion domain. This keeps request cleanup and queue cancellation from running in parallel for request-capable devices. Join the discussion | GCVE Database | 04/22/2026, 14:16:00 UTC Added: 07/18/2026, 11:23:40 UTC |
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