CVE-2025-21793 - CVE House
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Status published Unknown CVE-2025-21793

spi: sn-f-ospi: Fix division by zero

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return just zero to avoid such calculations.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
1b74dd64c8612619e399e5a31da79a3636914495, 6.2, 0, 6.6.79, 6.12.16, 6.13.4, 6.14

Timeline

Official Publish: February 27th, 2025
Last Modified: May 11th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.