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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.2, < 6.6.79 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/3588b1c0fde2f58d166e3f94a5a58d64b893526cPatch
- https://git.kernel.org/stable/c/4df6f005bef04a3dd16c028124a1b5684db3922bPatch
- https://git.kernel.org/stable/c/7434135553bc03809a55803ee6a8dcaae6240d55Patch
- https://git.kernel.org/stable/c/966328191b4c389c0f2159fa242915f51cbc1679Patch
FAQ
What is CVE-2025-21793?
CVE-2025-21793 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ar...
How severe is CVE-2025-21793?
CVE-2025-21793 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-21793?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.