CVE-2025-40127: Linux

EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: hwrng: ks-sa - fix division by zero in ks_sa_rng_init Fix division by zero in ks_sa_rng_init caused by missing clock pointer initialization. The clk_get_rate() call is performed on an uninitialized clk pointer, resulting in division by zero when calculating delay values. Add clock initialization code before using the clock. drivers/char/hw_random/ks-sa-rng.c | 7 +++++++ 1 file changed, 7 insertions(+)

Affected products

• Linux Linux: from 5.5, before 5.10.246 (fixed in 5.10.246); from 5.11, before 5.15.195 (fixed in 5.15.195); from 5.16, before 6.1.156 (fixed in 6.1.156); from 6.2, before 6.6.112 (fixed in 6.6.112); from 6.7, before 6.12.53 (fixed in 6.12.53); from 6.13, before 6.17.3 (fixed in 6.17.3)

Published 2025-11-12. Last modified 2026-06-17.