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CVE-2021-47171

CVSS v3.1 5.5 (Medium)
55% Progress
EPSS 0.04 % (5th)
0.04% Progress
Affected Products 1
Advisories 18
NVD Status Analyzed
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software Tools, Exploits & PoC Graph Web & Social Timeline

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

Weaknesses
CWE-401
Missing Release of Memory after Effective Lifetime
CVE Status
PUBLISHED
NVD Status
Analyzed
CNA
kernel.org
Published Date
2024-03-25 10:15:08
(5 months ago)
Updated Date
2024-05-16 21:15:30
(4 months ago)

Affected Products

Linux

Configuration #1

    CPE23 From Up To
  Linux Kernel from 2.6.34 version and prior 4.4.271 version cpe:2.3:o:linux:linux_kernel >= 2.6.34 < 4.4.271
  Linux Kernel from 4.5 version and prior 4.9.271 version cpe:2.3:o:linux:linux_kernel >= 4.5 < 4.9.271
  Linux Kernel from 4.10 version and prior 4.14.235 version cpe:2.3:o:linux:linux_kernel >= 4.10 < 4.14.235
  Linux Kernel from 4.15 version and prior 4.19.193 version cpe:2.3:o:linux:linux_kernel >= 4.15 < 4.19.193
  Linux Kernel from 4.20 version and prior 5.4.124 version cpe:2.3:o:linux:linux_kernel >= 4.20 < 5.4.124
  Linux Kernel from 5.5 version and prior 5.10.42 version cpe:2.3:o:linux:linux_kernel >= 5.5 < 5.10.42
  Linux Kernel from 5.11 version and prior 5.12.9 version cpe:2.3:o:linux:linux_kernel >= 5.11 < 5.12.9