{"id":"DEBIAN-CVE-2022-49741","details":"In the Linux kernel, the following vulnerability has been resolved:  fbdev: smscufx: fix error handling code in ufx_usb_probe  The current error handling code in ufx_usb_probe have many unmatching issues, e.g., missing ufx_free_usb_list, destroy_modedb label should only include framebuffer_release, fb_dealloc_cmap only matches fb_alloc_cmap.  My local syzkaller reports a memory leak bug:  memory leak in ufx_usb_probe  BUG: memory leak unreferenced object 0xffff88802f879580 (size 128):   comm \"kworker/0:7\", pid 17416, jiffies 4295067474 (age 46.710s)   hex dump (first 32 bytes):     80 21 7c 2e 80 88 ff ff 18 d0 d0 0c 80 88 ff ff  .!|.............     00 d0 d0 0c 80 88 ff ff e0 ff ff ff 0f 00 00 00  ................   backtrace:     [\u003cffffffff814c99a0\u003e] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045     [\u003cffffffff824d219c\u003e] kmalloc include/linux/slab.h:553 [inline]     [\u003cffffffff824d219c\u003e] kzalloc include/linux/slab.h:689 [inline]     [\u003cffffffff824d219c\u003e] ufx_alloc_urb_list drivers/video/fbdev/smscufx.c:1873 [inline]     [\u003cffffffff824d219c\u003e] ufx_usb_probe+0x11c/0x15a0 drivers/video/fbdev/smscufx.c:1655     [\u003cffffffff82d17927\u003e] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396     [\u003cffffffff82712f0d\u003e] call_driver_probe drivers/base/dd.c:560 [inline]     [\u003cffffffff82712f0d\u003e] really_probe+0x12d/0x390 drivers/base/dd.c:639     [\u003cffffffff8271322f\u003e] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778     [\u003cffffffff827132da\u003e] driver_probe_device+0x2a/0x120 drivers/base/dd.c:808     [\u003cffffffff82713c27\u003e] __device_attach_driver+0xf7/0x150 drivers/base/dd.c:936     [\u003cffffffff82710137\u003e] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427     [\u003cffffffff827136b5\u003e] __device_attach+0x105/0x2d0 drivers/base/dd.c:1008     [\u003cffffffff82711d36\u003e] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487     [\u003cffffffff8270e242\u003e] device_add+0x642/0xdc0 drivers/base/core.c:3517     [\u003cffffffff82d14d5f\u003e] usb_set_configuration+0x8ef/0xb80 drivers/usb/core/message.c:2170     [\u003cffffffff82d2576c\u003e] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238     [\u003cffffffff82d16ffc\u003e] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293     [\u003cffffffff82712f0d\u003e] call_driver_probe drivers/base/dd.c:560 [inline]     [\u003cffffffff82712f0d\u003e] really_probe+0x12d/0x390 drivers/base/dd.c:639     [\u003cffffffff8271322f\u003e] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778  Fix this bug by rewriting the error handling code in ufx_usb_probe.","modified":"2026-09-01T16:05:33.417703205Z","published":"2025-03-27T17:15:38.720Z","upstream":["CVE-2022-49741"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49741"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.11-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49741.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.11-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49741.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.11-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49741.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}