CVE-2025-40127

medium

Description

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(+)

References

https://git.kernel.org/stable/c/f4238064379a91e71a9c258996acac43c50c2094

https://git.kernel.org/stable/c/eec7e0e19c1fa75dc65e25aa6a21ef24a03849af

https://git.kernel.org/stable/c/d76b099011fa056950f63d05ebb6160991242f6a

https://git.kernel.org/stable/c/692a04a1e0cde1d80a33df0078c755cf02cd7268

https://git.kernel.org/stable/c/612b1dfeb414dfa780a6316014ceddf9a74ff5c0

https://git.kernel.org/stable/c/55a70e1de75e5ff5f961c79a2cdc6a4468cc2bf2

https://git.kernel.org/stable/c/2b6bcce32cb5aff84588a844a4d3f6dd5353b8e2

Details

Source: Mitre, NVD

Published: 2025-11-12

Updated: 2025-11-12

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00024