CVE-2023-53003: EDAC/qcom: Do not pass llcc_driv_data as edac_device_ctl_info's pvt_info
First published: Thu Mar 27 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: EDAC/qcom: Do not pass llcc_driv_data as edac_device_ctl_info's pvt_info The memory for llcc_driv_data is allocated by the LLCC driver. But when it is passed as the private driver info to the EDAC core, it will get freed during the qcom_edac driver release. So when the qcom_edac driver gets probed again, it will try to use the freed data leading to the use-after-free bug. Hence, do not pass llcc_driv_data as pvt_info but rather reference it using the platform_data pointer in the qcom_edac driver.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=4.20<5.4.231 | |
| Linux Kernel | >=5.5<5.10.166 | |
| Linux Kernel | >=5.11<5.15.91 | |
| Linux Kernel | >=5.16<6.1.9 | |
| Linux Kernel | =6.2-rc1 | |
| Linux Kernel | =6.2-rc2 | |
| Linux Kernel | =6.2-rc3 | |
| Linux Kernel | =6.2-rc4 | |
| Linux Kernel | =6.2-rc5 |
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Reference Links
- https://git.kernel.org/stable/c/66e10d5f399629ef7877304d9ba2b35d0474e7eb
- https://git.kernel.org/stable/c/76d9ebb7f0bc10fbc78b6d576751552edf743968
- https://git.kernel.org/stable/c/bff5243bd32661cf9ce66f6d9210fc8f89bda145
- https://git.kernel.org/stable/c/6f0351d0c311951b8b3064db91e61841e85b2b96
- https://git.kernel.org/stable/c/977c6ba624f24ae20cf0faee871257a39348d4a9
Frequently Asked Questions
What is the severity of CVE-2023-53003?
CVE-2023-53003 is classified as a low-severity vulnerability in the Linux kernel.
How do I fix CVE-2023-53003?
To resolve CVE-2023-53003, update your Linux kernel to the latest stable version that contains the fix.
What components are affected by CVE-2023-53003?
CVE-2023-53003 affects the EDAC core in the Linux kernel.
What systems could be impacted by CVE-2023-53003?
Systems running affected versions of the Linux kernel, particularly those using the Qualcomm LLCC driver, could be impacted by CVE-2023-53003.
Is CVE-2023-53003 a remote or local vulnerability?
CVE-2023-53003 is considered a local vulnerability since it requires local system access to exploit.
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