5.5

CVE-2025-37850

In the Linux kernel, the following vulnerability has been resolved:

pwm: mediatek: Prevent divide-by-zero in pwm_mediatek_config()

With CONFIG_COMPILE_TEST && !CONFIG_HAVE_CLK, pwm_mediatek_config() has a
divide-by-zero in the following line:

	do_div(resolution, clk_get_rate(pc->clk_pwms[pwm->hwpwm]));

due to the fact that the !CONFIG_HAVE_CLK version of clk_get_rate()
returns zero.

This is presumably just a theoretical problem: COMPILE_TEST overrides
the dependency on RALINK which would select COMMON_CLK.  Regardless it's
a good idea to check for the error explicitly to avoid divide-by-zero.

Fixes the following warning:

  drivers/pwm/pwm-mediatek.o: warning: objtool: .text: unexpected end of section

[ukleinek: s/CONFIG_CLK/CONFIG_HAVE_CLK/]
Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version >= 4.12 < 5.4.293
LinuxLinux Kernel Version >= 5.5 < 5.10.237
LinuxLinux Kernel Version >= 5.11 < 5.15.181
LinuxLinux Kernel Version >= 5.16 < 6.1.135
LinuxLinux Kernel Version >= 6.2 < 6.6.88
LinuxLinux Kernel Version >= 6.7 < 6.12.24
LinuxLinux Kernel Version >= 6.13 < 6.13.12
LinuxLinux Kernel Version >= 6.14 < 6.14.3
LinuxLinux Kernel Version6.15 Updaterc1
DebianDebian Linux Version11.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.037
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-369 Divide By Zero

The product divides a value by zero.