CVE-2025-40127
hwrng: ks-sa - fix division by zero in ks_sa_rng_init
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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(+)
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Nov 12, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
6d01d8511dceb9cd40f72eb102b7d24f0b2e997b < 692a04a1e0cde1d80a33df0078c755cf02cd7268 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b < d76b099011fa056950f63d05ebb6160991242f6a 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b < eec7e0e19c1fa75dc65e25aa6a21ef24a03849af 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b < f4238064379a91e71a9c258996acac43c50c2094 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b < 2b6bcce32cb5aff84588a844a4d3f6dd5353b8e2 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b < 55a70e1de75e5ff5f961c79a2cdc6a4468cc2bf2 6d01d8511dceb9cd40f72eb102b7d24f0b2e997b < 612b1dfeb414dfa780a6316014ceddf9a74ff5c0
Linux / Linux
5.5
References
git.kernel.org: https://git.kernel.org/stable/c/692a04a1e0cde1d80a33df0078c755cf02cd7268 git.kernel.org: https://git.kernel.org/stable/c/d76b099011fa056950f63d05ebb6160991242f6a git.kernel.org: https://git.kernel.org/stable/c/eec7e0e19c1fa75dc65e25aa6a21ef24a03849af git.kernel.org: https://git.kernel.org/stable/c/f4238064379a91e71a9c258996acac43c50c2094 git.kernel.org: https://git.kernel.org/stable/c/2b6bcce32cb5aff84588a844a4d3f6dd5353b8e2 git.kernel.org: https://git.kernel.org/stable/c/55a70e1de75e5ff5f961c79a2cdc6a4468cc2bf2 git.kernel.org: https://git.kernel.org/stable/c/612b1dfeb414dfa780a6316014ceddf9a74ff5c0