Not yet scoredPublished Nov 12, 2025

CVE-2025-40127hwrng: ks-sa - fix division by zero in ks_sa_rng_init

Updated under an hour ago (Oct 27, 2026, 11:50 AM ET)

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Exploited in the last 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(+)

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b before 692a04a1e0cde1d80a33df0078c755cf02cd7268; from 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b before d76b099011fa056950f63d05ebb6160991242f6a; from 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b before eec7e0e19c1fa75dc65e25aa6a21ef24a03849af; from 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b before f4238064379a91e71a9c258996acac43c50c2094; 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b builds before 2b6bcce32cb5aff84588a844a4d3f6dd5353b8e2; from 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b before 55a70e1de75e5ff5f961c79a2cdc6a4468cc2bf2; from 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b before 612b1dfeb414dfa780a6316014ceddf9a74ff5c0	CNA record

References

References

https://git.kernel.org/stable/c/692a04a1e0cde1d80a33df0078c755cf02cd7268
https://git.kernel.org/stable/c/d76b099011fa056950f63d05ebb6160991242f6a
https://git.kernel.org/stable/c/eec7e0e19c1fa75dc65e25aa6a21ef24a03849af
https://git.kernel.org/stable/c/f4238064379a91e71a9c258996acac43c50c2094
https://git.kernel.org/stable/c/2b6bcce32cb5aff84588a844a4d3f6dd5353b8e2
https://git.kernel.org/stable/c/55a70e1de75e5ff5f961c79a2cdc6a4468cc2bf2
https://git.kernel.org/stable/c/612b1dfeb414dfa780a6316014ceddf9a74ff5c0

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.