{"cve":"CVE-2022-49686","nvd":{"published":"2025-02-26T07:01:43.437","modified":"2026-06-17T05:18:51.900","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: uvc: fix list double add in uvcg_video_pump\n\nA panic can occur if the endpoint becomes disabled and the\nuvcg_video_pump adds the request back to the req_free list after it has\nalready been queued to the endpoint. The endpoint complete will add the\nrequest back to the req_free list. Invalidate the local request handle\nonce it's been queued.\n\n<6>[  246.796704][T13726] configfs-gadget gadget: uvc: uvc_function_set_alt(1, 0)\n<3>[  246.797078][   T26] list_add double add: new=ffffff878bee5c40, prev=ffffff878bee5c40, next=ffffff878b0f0a90.\n<6>[  246.797213][   T26] ------------[ cut here ]------------\n<2>[  246.797224][   T26] kernel BUG at lib/list_debug.c:31!\n<6>[  246.807073][   T26] Call trace:\n<6>[  246.807180][   T26]  uvcg_video_pump+0x364/0x38c\n<6>[  246.807366][   T26]  process_one_work+0x2a4/0x544\n<6>[  246.807394][   T26]  worker_thread+0x350/0x784\n<6>[  246.807442][   T26]  kthread+0x2ac/0x320","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":["CWE-415"],"references":["https://git.kernel.org/stable/c/96163f835e65f8c9897487fac965819f0651d671","https://git.kernel.org/stable/c/d95ac8b920de1d39525fadc408ce675697626ca6"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49686","score":0.00249,"percentile":0.16325,"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."]}