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CVE-2021-47596

CVSS v3.1 7.8 (High)
78% Progress
EPSS 0.04 % (5th)
0.04% Progress
Affected Products 1
Advisories 9
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: hns3: fix use-after-free bug in hclgevf_send_mbx_msg

Currently, the hns3_remove function firstly uninstall client instance,
and then uninstall acceletion engine device. The netdevice is freed in
client instance uninstall process, but acceletion engine device uninstall
process still use it to trace runtime information. This causes a use after
free problem.

So fixes it by check the instance register state to avoid use after free.

Weaknesses
CWE-416
Use After Free
CVE Status
PUBLISHED
NVD Status
Analyzed
CNA
kernel.org
Published Date
2024-06-19 15:15:54
(2 months ago)
Updated Date
2024-08-19 18:22:13
(4 weeks ago)

Affected Products

Linux

Configuration #1

    CPE23 From Up To
  Linux Kernel from 5.8 version and prior 5.10.88 version cpe:2.3:o:linux:linux_kernel >= 5.8 < 5.10.88
  Linux Kernel from 5.11 version and prior 5.15.11 version cpe:2.3:o:linux:linux_kernel >= 5.11 < 5.15.11