CVE-2024-53072: platform/x86/amd/pmc: Detect when STB is not available
First published: Tue Nov 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/pmc: Detect when STB is not available Loading the amd_pmc module as: amd_pmc enable_stb=1 ...can result in the following messages in the kernel ring buffer: amd_pmc AMDI0009:00: SMU cmd failed. err: 0xff ioremap on RAM at 0x0000000000000000 - 0x0000000000ffffff WARNING: CPU: 10 PID: 2151 at arch/x86/mm/ioremap.c:217 __ioremap_caller+0x2cd/0x340 Further debugging reveals that this occurs when the requests for S2D_PHYS_ADDR_LOW and S2D_PHYS_ADDR_HIGH return a value of 0, indicating that the STB is inaccessible. To prevent the ioremap warning and provide clarity to the user, handle the invalid address and display an error message.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.18<6.1.117 | |
| Linux Kernel | >=6.2<6.6.61 | |
| Linux Kernel | >=6.7<6.11.8 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| Linux Kernel | =6.12-rc3 | |
| Linux Kernel | =6.12-rc4 | |
| Linux Kernel | =6.12-rc5 | |
| Linux Kernel | =6.12-rc6 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-53072?
CVE-2024-53072 is considered a medium-severity vulnerability in the Linux kernel.
How can I mitigate CVE-2024-53072?
To mitigate CVE-2024-53072, ensure that you are using an updated version of the Linux kernel that has addressed this vulnerability.
Which versions of the Linux kernel are affected by CVE-2024-53072?
CVE-2024-53072 affects Linux kernel versions from 5.18 to 6.1.117 and 6.2 to 6.6.61, as well as various release candidates of version 6.12.
What issue does CVE-2024-53072 address in the Linux kernel?
CVE-2024-53072 resolves a problem with the amd_pmc module where enabling STB can lead to kernel ring buffer log messages when STB is not available.
Is there a patch available for CVE-2024-53072?
Yes, there are patches available in newer versions of the Linux kernel that fix the issues described in CVE-2024-53072.
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