CVE-2021-47171

Katalog CVE

CVSS 5.5 · Medium EPSS 0,24%

Kerentanan Missing Release of Memory after Effective Lifetime pada linux kernel. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728

Rincian

Terbit di NVD

25 Maret 2024

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-401: Missing Release of Memory after Effective Lifetime

EPSS (30 hari)

0,24% peluang dieksploitasi; lebih tinggi dari 14,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa patch
• https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f patch
• https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70 patch
• https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0 patch
• https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b patch
• https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07 patch
• https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc patch
• https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17 patch