{"cve":"CVE-2022-50757","nvd":{"published":"2025-12-24T13:16:02.457","modified":"2026-08-04T10:18:23.760","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: camss: Clean up received buffers on failed start of streaming\n\nIt is required to return the received buffers, if streaming can not be\nstarted. For instance media_pipeline_start() may fail with EPIPE, if\na link validation between entities is not passed, and in such a case\na user gets a kernel warning:\n\n  WARNING: CPU: 1 PID: 520 at drivers/media/common/videobuf2/videobuf2-core.c:1592 vb2_start_streaming+0xec/0x160\n  <snip>\n  Call trace:\n   vb2_start_streaming+0xec/0x160\n   vb2_core_streamon+0x9c/0x1a0\n   vb2_ioctl_streamon+0x68/0xbc\n   v4l_streamon+0x30/0x3c\n   __video_do_ioctl+0x184/0x3e0\n   video_usercopy+0x37c/0x7b0\n   video_ioctl2+0x24/0x40\n   v4l2_ioctl+0x4c/0x70\n\nThe fix is to correct the error path in video_start_streaming() of camss.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":[],"references":["https://git.kernel.org/stable/c/04c734c716a97f1493b1edac41316aaed1d2a9d9","https://git.kernel.org/stable/c/24df4fa3e795fb4b15fd4d3c036596e0978d265a","https://git.kernel.org/stable/c/3d5cab726e3b370fea1b6e67183f0e13c409ce5c","https://git.kernel.org/stable/c/75954cde8a5ca84003b24b6bf83197240935bd74","https://git.kernel.org/stable/c/c8f3582345e6a69da65ab588f7c4c2d1685b0e80"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2022-50757","score":0.00202,"percentile":0.10158,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}