CVE-2024-56689

MEDIUM EPSS 10.1%

Published Dec 28, 20241y ago · Modified Jun 17, 20261w ago

5.5 CVSS 3.1

Medium

Published Dec 28, 2024 1y ago

Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: epf-mhi: Avoid NULL dereference if DT lacks 'mmio' If platform_get_resource_byname() fails and returns NULL because DT lacks an 'mmio' property for the MHI endpoint, dereferencing res->start will cause a NULL pointer access. Add a check to prevent it. [kwilczynski: error message update per the review feedback] [bhelgaas: commit log]

CVSS Details

Base Score

5.5

Exploitability

1.8

Impact

3.6

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector Local

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality None

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

10.1% percentile

Exploit & Patch Status

No Known Exploit

Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 3

Vendor	Product	Version	Range
linux	linux_kernel	*	≥6.5 – <6.6.64
linux	linux_kernel	*	≥6.7 – <6.11.11
linux	linux_kernel	*	≥6.12 – <6.12.2

References 4

git.kernel.org https://git.kernel.org/stable/c/0e6d92e3b973de78eb7015154cf1197af9fac5c9

Patch
git.kernel.org https://git.kernel.org/stable/c/242ee2b0ad9b23f47084904fce3f9f228068a1f9

Patch
git.kernel.org https://git.kernel.org/stable/c/5089b3d874e9933d9842e90410d3af1520494757

Patch
git.kernel.org https://git.kernel.org/stable/c/c8b9d6b7d62a444e0bca5b9ae28f9f2b0f52feef

Patch

Remediation

git.kernel.org https://git.kernel.org/stable/c/0e6d92e3b973de78eb7015154cf1197af9fac5c9

Patch
git.kernel.org https://git.kernel.org/stable/c/242ee2b0ad9b23f47084904fce3f9f228068a1f9

Patch
git.kernel.org https://git.kernel.org/stable/c/5089b3d874e9933d9842e90410d3af1520494757

Patch
git.kernel.org https://git.kernel.org/stable/c/c8b9d6b7d62a444e0bca5b9ae28f9f2b0f52feef

Patch