CVE-2024-56671

gpio: graniterapids: Fix vGPIO driver crash

Description

In the Linux kernel, the following vulnerability has been resolved: gpio: graniterapids: Fix vGPIO driver crash Move setting irq_chip.name from probe() function to the initialization of "irq_chip" struct in order to fix vGPIO driver crash during bootup. Crash was caused by unauthorized modification of irq_chip.name field where irq_chip struct was initialized as const. This behavior is a consequence of suboptimal implementation of gpio_irq_chip_set_chip(), which should be changed to avoid casting away const qualifier. Crash log: BUG: unable to handle page fault for address: ffffffffc0ba81c0 /#PF: supervisor write access in kernel mode /#PF: error_code(0x0003) - permissions violation CPU: 33 UID: 0 PID: 1075 Comm: systemd-udevd Not tainted 6.12.0-rc6-00077-g2e1b3cc9d7f7 #1 Hardware name: Intel Corporation Kaseyville RP/Kaseyville RP, BIOS KVLDCRB1.PGS.0026.D73.2410081258 10/08/2024 RIP: 0010:gnr_gpio_probe+0x171/0x220 [gpio_graniterapids]

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/e631cab10c6b287a33c35953e6dbda1f7f89bc1f	patch
https://git.kernel.org/stable/c/eb9640fd1ce666610b77f5997596e9570a36378f	patch

Frequently Asked Questions

What is the severity of CVE-2024-56671?: CVE-2024-56671 has been scored as a medium severity vulnerability.
How to fix CVE-2024-56671?: To fix CVE-2024-56671, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-56671 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-56671 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-56671?: CVE-2024-56671 affects Linux Linux, Linux Linux.

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