{"id":"CVE-2022-49937","title":"media: mceusb: Use new usb_control_msg_*() routines","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mceusb: Use new usb_control_msg_*() routines\n\nAutomatic kernel fuzzing led to a WARN about invalid pipe direction in\nthe mceusb driver:\n\n------------[ cut here ]…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 66e89522aff70fb2701ba8f6845fdcd365dd2ade < 587f793c64d99d92be8ef01c4c69d885a3f2edb6","Linux >= 66e89522aff70fb2701ba8f6845fdcd365dd2ade < 75913c562f5ba4cf397d835c63f443879167c6f6","Linux >= 66e89522aff70fb2701ba8f6845fdcd365dd2ade < d69c738ac9310b56e84c51c8f09fc018a8291bc6","Linux >= 66e89522aff70fb2701ba8f6845fdcd365dd2ade < 608e58a0f4617977178131f5f68a3fce1d3f5316","Linux 2.6.36"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T19:51:49.303480Z"},"published":"2025-06-18","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:00:11.923Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-49937","references":[{"url":"https://git.kernel.org/stable/c/587f793c64d99d92be8ef01c4c69d885a3f2edb6"},{"url":"https://git.kernel.org/stable/c/75913c562f5ba4cf397d835c63f443879167c6f6"},{"url":"https://git.kernel.org/stable/c/d69c738ac9310b56e84c51c8f09fc018a8291bc6"},{"url":"https://git.kernel.org/stable/c/608e58a0f4617977178131f5f68a3fce1d3f5316"}],"tags":["cve.org"],"epss":0.00183,"epssPercentile":0.07962,"ingestedAt":"2026-11-05T22:38:31.627Z","slug":"CVE-2022-49937","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mceusb: Use new usb_control_msg_*() routines\n\nAutomatic kernel fuzzing led to a WARN about invalid pipe direction in\nthe mceusb driver:\n\n------------[ cut here ]------------\nusb 6-1: BOGUS control dir, pipe 80000380 doesn't match bRequestType 40\nWARNING: CPU: 0 PID: 2465 at drivers/usb/core/urb.c:410\nusb_submit_urb+0x1326/0x1820 drivers/usb/core/urb.c:410\nModules linked in:\nCPU: 0 PID: 2465 Comm: kworker/0:2 Not tainted 5.19.0-rc4-00208-g69cb6c6556ad #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.13.0-1ubuntu1.1 04/01/2014\nWorkqueue: usb_hub_wq hub_event\nRIP: 0010:usb_submit_urb+0x1326/0x1820 drivers/usb/core/urb.c:410\nCode: 7c 24 40 e8 ac 23 91 fd 48 8b 7c 24 40 e8 b2 70 1b ff 45 89 e8\n44 89 f1 4c 89 e2 48 89 c6 48 c7 c7 a0 30 a9 86 e8 48 07 11 02 <0f> 0b\ne9 1c f0 ff ff e8 7e 23 91 fd 0f b6 1d 63 22 83 05 31 ff 41\nRSP: 0018:ffffc900032becf0 EFLAGS: 00010282\nRAX: 0000000000000000 RBX: ffff8881100f3058 RCX: 0000000000000000\nRDX: ffffc90004961000 RSI: ffff888114c6d580 RDI: fffff52000657d90\nRBP: ffff888105ad90f0 R08: ffffffff812c3638 R09: 0000000000000000\nR10: 0000000000000005 R11: ffffed1023504ef1 R12: ffff888105ad9000\nR13: 0000000000000040 R14: 0000000080000380 R15: ffff88810ba96500\nFS: 0000000000000000(0000) GS:ffff88811a800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ffe810bda58 CR3: 000000010b720000 CR4: 0000000000350ef0\nCall Trace:\n<TASK>\nusb_start_wait_urb+0x101/0x4c0 drivers/usb/core/message.c:58\nusb_internal_control_msg drivers/usb/core/message.c:102 [inline]\nusb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153\nmceusb_gen1_init drivers/media/rc/mceusb.c:1431 [inline]\nmceusb_dev_probe+0x258e/0x33f0 drivers/media/rc/mceusb.c:1807\n\nThe reason for the warning is clear enough; the driver sends an\nunusual read request on endpoint 0 but does not set the USB_DIR_IN bit\nin the bRequestType field.\n\nMore importantly, the whole situation can be avoided and the driver\nsimplified by converting it over to the relatively new\nusb_control_msg_recv() and usb_control_msg_send() routines.  That's\nwhat this fix does.\n\n## Affected\n\n- `Linux >= 66e89522aff70fb2701ba8f6845fdcd365dd2ade < 587f793c64d99d92be8ef01c4c69d885a3f2edb6`\n- `Linux >= 66e89522aff70fb2701ba8f6845fdcd365dd2ade < 75913c562f5ba4cf397d835c63f443879167c6f6`\n- `Linux >= 66e89522aff70fb2701ba8f6845fdcd365dd2ade < d69c738ac9310b56e84c51c8f09fc018a8291bc6`\n- `Linux >= 66e89522aff70fb2701ba8f6845fdcd365dd2ade < 608e58a0f4617977178131f5f68a3fce1d3f5316`\n- `Linux 2.6.36`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}