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CVE-2024-43864 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix CT entry update leaks of modify header context The cited commit allocates a new modify header to replace the old one when updating CT entry. But if failed to allocate a new one, eg. exceed the max number firmware can support, modify header will be an error pointer that will trigger a panic when deallocating it. And the old modify header point is copied to old attr. When the old attr is freed, the old modify header is lost. Fix it by restoring the old attr to attr when failed to allocate a new modify header context. So when the CT entry is freed, the right modify header context will be freed. And the panic of accessing error pointer is also fixed.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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Hyperlink Resource
https://git.kernel.org/stable/c/025f2b85a5e5a46df14ecf162c3c80a957a36d0b
https://git.kernel.org/stable/c/89064d09c56b44c668509bf793c410484f63f5ad
https://git.kernel.org/stable/c/daab2cc17b6b6ab158566bba037e9551fd432b59

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-43864
NVD Published Date:
08/20/2024
NVD Last Modified:
08/21/2024
Source:
kernel.org