- Vulnerability/
- CVE-2024-56625
CVE-2024-56625: can: dev: can_set_termination(): allow sleeping GPIOs
First published: Fri Dec 27 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: can: dev: can_set_termination(): allow sleeping GPIOs In commit 6e86a1543c37 ("can: dev: provide optional GPIO based termination support") GPIO based termination support was added. For no particular reason that patch uses gpiod_set_value() to set the GPIO. This leads to the following warning, if the systems uses a sleeping GPIO, i.e. behind an I2C port expander: | WARNING: CPU: 0 PID: 379 at /drivers/gpio/gpiolib.c:3496 gpiod_set_value+0x50/0x6c | CPU: 0 UID: 0 PID: 379 Comm: ip Not tainted 6.11.0-20241016-1 #1 823affae360cc91126e4d316d7a614a8bf86236c Replace gpiod_set_value() by gpiod_set_value_cansleep() to allow the use of sleeping GPIOs.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 | |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/1ac442f25c19953d2f33b92549628b0aeac83db6
- https://git.kernel.org/stable/c/3b0c5bb437d31a9864f633b85cbc42d2f6c51c96
- https://git.kernel.org/stable/c/46637a608fb1ee871a0ad8bf70d917d5d95ac251
- https://git.kernel.org/stable/c/ee1dfbdd8b4b6de85e96ae2059dc9c1bdb6b49b5
- https://git.kernel.org/stable/c/faa0a1975a6fbce30616775216606eb8d6388ea1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56625
- https://nvd.nist.gov/vuln/detail/CVE-2024-56625
- https://launchpad.net/bugs/cve/CVE-2024-56625
- https://security-tracker.debian.org/tracker/CVE-2024-56625
- https://ubuntu.com/security/CVE-2024-56625
- https://git.kernel.org/linus/ee1dfbdd8b4b6de85e96ae2059dc9c1bdb6b49b5
Frequently Asked Questions
What is the severity of CVE-2024-56625?
The severity of CVE-2024-56625 is categorized as moderate.
How do I fix CVE-2024-56625?
To fix CVE-2024-56625, update the Linux Kernel to the latest stable version that includes the patch addressing this vulnerability.
Who is affected by CVE-2024-56625?
CVE-2024-56625 affects users of the Linux Kernel that utilize GPIO-based termination support.
What is the nature of the vulnerability in CVE-2024-56625?
CVE-2024-56625 involves the ability to allow sleeping GPIOs which could potentially impact system stability.
When was CVE-2024-56625 discovered?
CVE-2024-56625 was disclosed in the Linux kernel commit published on a recent stable release.
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