CVEvulnerability

CVE-2021-47171

5.5 MEDIUM Published 2024-03-25 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2024-03-25
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-401

Description

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

Affected configurations

• linux linux kernel (>= 2.6.34 < 4.4.271) • linux linux kernel (>= 4.5 < 4.9.271) • linux linux kernel (>= 4.10 < 4.14.235) • linux linux kernel (>= 4.15 < 4.19.193) • linux linux kernel (>= 4.20 < 5.4.124) • linux linux kernel (>= 5.5 < 5.10.42) • linux linux kernel (>= 5.11 < 5.12.9)

Related

Weakness · CWE (1)

  • CWE-401 Missing Release of Memory after Effective Lifetime weakness

References