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CVE
PUBLISHED

CVE-2024-39484

mmc: davinci: Don't strip remove function when driver is builtin

AssignerLinux
Reserved2024-06-25
Published2024-07-05
Updated2024-07-15

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)

Product status

Default status
unaffected

b4cff4549b7a before 6ff7cfa02baa
affected

b4cff4549b7a before aea35157bb9b
affected

b4cff4549b7a before 5ee241f72edc
affected

b4cff4549b7a before 7590da4c04dd
affected

b4cff4549b7a before 1d5ed0efe51d
affected

b4cff4549b7a before 55c421b36448
affected

Default status
affected

2.6.33
affected

Any version before 2.6.33
unaffected

5.10.221
unaffected

5.15.162
unaffected

6.1.95
unaffected

6.6.34
unaffected

6.9.5
unaffected

6.10
unaffected

References

https://git.kernel.org/stable/c/6ff7cfa02baabec907f6f29ea76634e6256d2ec4

https://git.kernel.org/stable/c/aea35157bb9b825faa0432bd0f7fbea37ff39aa1

https://git.kernel.org/stable/c/5ee241f72edc6dce5051a5f100eab6cc019d873e

https://git.kernel.org/stable/c/7590da4c04dd4aa9c262da0231e978263861c6eb

https://git.kernel.org/stable/c/1d5ed0efe51d36b9ae9b64f133bf41cdbf56f584

https://git.kernel.org/stable/c/55c421b364482b61c4c45313a535e61ed5ae4ea3

cve.org CVE-2024-39484

nvd.nist.gov CVE-2024-39484

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