CVE-2024-58034: memory: tegra20-emc: fix an OF node reference bug in tegra_emc_find_node_by_ram_code()
First published: Thu Feb 27 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: memory: tegra20-emc: fix an OF node reference bug in tegra_emc_find_node_by_ram_code() As of_find_node_by_name() release the reference of the argument device node, tegra_emc_find_node_by_ram_code() releases some device nodes while still in use, resulting in possible UAFs. According to the bindings and the in-tree DTS files, the "emc-tables" node is always device's child node with the property "nvidia,use-ram-code", and the "lpddr2" node is a child of the "emc-tables" node. Thus utilize the for_each_child_of_node() macro and of_get_child_by_name() instead of of_find_node_by_name() to simplify the code. This bug was found by an experimental verification tool that I am developing. [krzysztof: applied v1, adjust the commit msg to incorporate v2 parts]
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=5.0<5.15.179 | |
| Linux Kernel | >=5.16<6.1.129 | |
| Linux Kernel | >=6.2<6.6.76 | |
| Linux Kernel | >=6.7<6.12.13 | |
| Linux Kernel | >=6.13<6.13.2 |
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Reference Links
- https://git.kernel.org/stable/c/3b02273446e23961d910b50cc12528faec649fb2
- https://git.kernel.org/stable/c/755e44538c190c31de9090d8e8821d228fcfd416
- https://git.kernel.org/stable/c/b9784e5cde1f9fb83661a70e580e381ae1264d12
- https://git.kernel.org/stable/c/c144423cb07e4e227a8572d5742ca2b36ada770d
- https://git.kernel.org/stable/c/e9d07e91de140679eeaf275f47ad154467cb9e05
- https://git.kernel.org/stable/c/c3def10c610ae046aaa61d00528e7bd15e4ad8d3
Frequently Asked Questions
What is the severity of CVE-2024-58034?
CVE-2024-58034 has been classified as a moderate severity vulnerability in the Linux kernel.
How do I fix CVE-2024-58034?
To resolve CVE-2024-58034, update your Linux kernel to the latest available version that addresses this vulnerability.
What components are affected by CVE-2024-58034?
CVE-2024-58034 affects the memory management components of the Linux kernel, specifically related to tegra20-emc.
What exploitation risks are associated with CVE-2024-58034?
Exploitation of CVE-2024-58034 could potentially lead to memory corruption and stability issues in systems using the affected kernel.
Which versions of the Linux kernel are vulnerable to CVE-2024-58034?
CVE-2024-58034 affects multiple versions of the Linux kernel prior to the patch release that addresses the vulnerability.
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