{"id":"CVE-2021-47171","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: fix memory leak in smsc75xx_bind\n\nSyzbot reported memory leak in smsc75xx_bind().\nThe problem was is non-freed memory in case of\nerrors after memory allocation.\n\nbacktrace:\n  [\u003cffffffff84245b62\u003e] kmalloc include/linux/slab.h:556 [inline]\n  [\u003cffffffff84245b62\u003e] kzalloc include/linux/slab.h:686 [inline]\n  [\u003cffffffff84245b62\u003e] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460\n  [\u003cffffffff82b5b2e6\u003e] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728","modified":"2026-03-15T22:43:06.899762Z","published":"2024-03-25T10:15:08.917Z","related":["ALSA-2024:3618","SUSE-SU-2024:1454-1","SUSE-SU-2024:1465-1","SUSE-SU-2024:1489-1","SUSE-SU-2024:1643-1","SUSE-SU-2024:1646-1","SUSE-SU-2024:1870-1","SUSE-SU-2024:1979-1","SUSE-SU-2024:1983-1","SUSE-SU-2024:2184-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b"},{"type":"FIX","url":"https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07"},{"type":"FIX","url":"https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc"},{"type":"FIX","url":"https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17"},{"type":"FIX","url":"https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa"},{"type":"FIX","url":"https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f"},{"type":"FIX","url":"https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70"},{"type":"FIX","url":"https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47171.json","unresolved_ranges":[{"events":[{"introduced":"2.6.34"},{"fixed":"4.4.271"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.271"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.235"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.193"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.4.124"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.42"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.12.9"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}