CVE-2024-56625 Affecting kernel-azure package, versions <6.4.0-150600.8.26.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-SLES156-KERNELAZURE-8716402
  • published12 Feb 2025
  • disclosed11 Feb 2025

Introduced: 11 Feb 2025

NewCVE-2024-56625  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 kernel-azure to version 6.4.0-150600.8.26.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-azure package and not the kernel-azure package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

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.

CVSS Scores

version 3.1