Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-38312

In the Linux kernel, the following vulnerability has been resolved: fbdev: core: fbcvt: avoid division by 0 in fb_cvt_hperiod() In fb_find_mode_cvt(), iff mode->refresh somehow happens to be 0x80000000, cvt.f_refresh will become 0 when multiplying it by 2 due to overflow. It's then passed to fb_cvt_hperiod(), where it's used as a divider -- division by 0 will result in kernel oops. Add a sanity check for cvt.f_refresh to avoid such overflow... Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 26.0%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2025-38312


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