CVE-2026-68356
2026-08-10
13h20 +00:00
13h20 +00:00
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Mô tả CVE
In the Linux kernel, the following vulnerability has been resolved:
watchdog: airoha: Prevent division by zero when clock frequency is zero
clk_get_rate() can return 0 when the clock provider is not properly
configured or the clock is unmanaged. The driver uses wdt_freq as a
divisor directly in airoha_wdt_probe() to compute max_timeout and in
airoha_wdt_get_timeleft() to compute the remaining time, which results
in a division by zero.
Add a check for wdt_freq == 0 in probe and return -EINVAL with
dev_err_probe() to prevent the division by zero and provide a
diagnostic message.
