CVE-2025-39954

MediumCVSS 5.5/10Last modified Oct 19, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

clk: sunxi-ng: mp: Fix dual-divider clock rate readback

When dual-divider clock support was introduced, the P divider offset was left out of the .recalc_rate readback function. This causes the clock rate to become bogus or even zero (possibly due to the P divider being 1, leading to a divide-by-zero).

Fix this by incorporating the P divider offset into the calculation.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-369

Affected software

No affected versions have been published.

Timeline

Published
Oct 9, 2025
Last modified
Oct 19, 2026
NVD status
Analyzed

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CVE-2025-39954: Medium severity, CVSS 5.5 | Vulnix