CVE-2024-39484

MEDIUM
Published Jul 5, 2024 Modified Nov 3, 2025 CWE-770

Description

In the Linux kernel, the following vulnerability has been resolved: mmc: davinci: Don't strip remove function when driver is builtin Using __exit for the remove function results in the remove callback being discarded with CONFIG_MMC_DAVINCI=y. When such a device gets unbound (e.g. using sysfs or hotplug), the driver is just removed without the cleanup being performed. This results in resource leaks. Fix it by compiling in the remove callback unconditionally. This also fixes a W=1 modpost warning: WARNING: modpost: drivers/mmc/host/davinci_mmc: section mismatch in reference: davinci_mmcsd_driver+0x10 (section: .data) -> davinci_mmcsd_remove (section: .exit.text)

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/1d5ed0efe51d36b9ae9b64f133bf41cdbf56f584 https://git.kernel.org/stable/c/55c421b364482b61c4c45313a535e61ed5ae4ea3 https://git.kernel.org/stable/c/5ee241f72edc6dce5051a5f100eab6cc019d873e https://git.kernel.org/stable/c/6ff7cfa02baabec907f6f29ea76634e6256d2ec4 https://git.kernel.org/stable/c/7590da4c04dd4aa9c262da0231e978263861c6eb https://git.kernel.org/stable/c/aea35157bb9b825faa0432bd0f7fbea37ff39aa1 https://git.kernel.org/stable/c/1d5ed0efe51d36b9ae9b64f133bf41cdbf56f584 https://git.kernel.org/stable/c/55c421b364482b61c4c45313a535e61ed5ae4ea3 https://git.kernel.org/stable/c/5ee241f72edc6dce5051a5f100eab6cc019d873e https://git.kernel.org/stable/c/6ff7cfa02baabec907f6f29ea76634e6256d2ec4 https://git.kernel.org/stable/c/7590da4c04dd4aa9c262da0231e978263861c6eb https://git.kernel.org/stable/c/aea35157bb9b825faa0432bd0f7fbea37ff39aa1

Frequently Asked Questions

What is CVE-2024-39484? +
In the Linux kernel, the following vulnerability has been resolved: mmc: davinci: Don't strip remove function when driver is builtin Using __exit for the remove function results in the remove callback being discarded with CONFIG_MMC_DAVINCI=y. When such a device gets unbound (e.g. using sysfs or hotplug), the driver is just removed without the cleanup being performed. This results in resource leaks. Fix it by compiling in the remove callback unconditionally. This also fixes a W=1 modpost warning: WARNING: modpost: drivers/mmc/host/davinci_mmc: section mismatch in reference: davinci_mmcsd_driver+0x10 (section: .data) -> davinci_mmcsd_remove (section: .exit.text) It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-39484? +
CVE-2024-39484 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-39484? +
CVE-2024-39484 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-39484? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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