CVE-2024-27412

MEDIUM
Published May 17, 2024 Modified Dec 17, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: power: supply: bq27xxx-i2c: Do not free non existing IRQ The bq27xxx i2c-client may not have an IRQ, in which case client->irq will be 0. bq27xxx_battery_i2c_probe() already has an if (client->irq) check wrapping the request_threaded_irq(). But bq27xxx_battery_i2c_remove() unconditionally calls free_irq(client->irq) leading to: [ 190.310742] ------------[ cut here ]------------ [ 190.310843] Trying to free already-free IRQ 0 [ 190.310861] WARNING: CPU: 2 PID: 1304 at kernel/irq/manage.c:1893 free_irq+0x1b8/0x310 Followed by a backtrace when unbinding the driver. Add an if (client->irq) to bq27xxx_battery_i2c_remove() mirroring probe() to fix this.

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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

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
debian debian_linux

References

Advisories & Patches

https://git.kernel.org/stable/c/083686474e7c97b0f8b66df37fcb64e432e8b771 https://git.kernel.org/stable/c/2df70149e73e79783bcbc7db4fa51ecef0e2022c https://git.kernel.org/stable/c/7394abc8926adee6a817bab10797e0adc898af77 https://git.kernel.org/stable/c/cefe18e9ec84f8fe3e198ccebb815cc996eb9797 https://git.kernel.org/stable/c/d4d813c0a14d6bf52d810a55db06a2e7e3d98eaa https://git.kernel.org/stable/c/d7acc4a569f5f4513120c85ea2b9f04909b7490f https://git.kernel.org/stable/c/e601ae81910ce6a3797876e190a2d8ef6cf828bc https://git.kernel.org/stable/c/fbca8bae1ba79d443a58781b45e92a73a24ac8f8 https://git.kernel.org/stable/c/083686474e7c97b0f8b66df37fcb64e432e8b771 https://git.kernel.org/stable/c/2df70149e73e79783bcbc7db4fa51ecef0e2022c https://git.kernel.org/stable/c/7394abc8926adee6a817bab10797e0adc898af77 https://git.kernel.org/stable/c/cefe18e9ec84f8fe3e198ccebb815cc996eb9797 https://git.kernel.org/stable/c/d4d813c0a14d6bf52d810a55db06a2e7e3d98eaa https://git.kernel.org/stable/c/d7acc4a569f5f4513120c85ea2b9f04909b7490f https://git.kernel.org/stable/c/e601ae81910ce6a3797876e190a2d8ef6cf828bc https://git.kernel.org/stable/c/fbca8bae1ba79d443a58781b45e92a73a24ac8f8

Frequently Asked Questions

What is CVE-2024-27412? +
In the Linux kernel, the following vulnerability has been resolved: power: supply: bq27xxx-i2c: Do not free non existing IRQ The bq27xxx i2c-client may not have an IRQ, in which case client->irq will be 0. bq27xxx_battery_i2c_probe() already has an if (client->irq) check wrapping the request_threaded_irq(). But bq27xxx_battery_i2c_remove() unconditionally calls free_irq(client->irq) leading to: [ 190.310742] ------------[ cut here ]------------ [ 190.310843] Trying to free already-free IRQ 0 [ 190.310861] WARNING: CPU: 2 PID: 1304 at kernel/irq/manage.c:1893 free_irq+0x1b8/0x310 Followed by a backtrace when unbinding the driver. Add an if (client->irq) to bq27xxx_battery_i2c_remove() mirroring probe() to fix this. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-27412? +
CVE-2024-27412 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-2024-27412? +
CVE-2024-27412 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-27412? +
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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