PT-2024-11243 · Linux+3 · Linux Kernel+3
Pavel Skripkin
·
Published
2021-06-18
·
Updated
2025-04-09
·
CVE-2021-47235
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A potential use-after-free vulnerability has been resolved in the Linux kernel. The issue occurs in the
ec bhf remove function, where the priv pointer is used after free netdev has been called. This can cause a use-after-free error when accessing the priv pointer. The fix involves moving the free netdev call after the pci iounmap calls.Recommendations
To resolve the issue, move the
free netdev call after the pci iounmap calls in the ec bhf remove function.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linux Kernel
Suse
Ubuntu