https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 02 Oct 2026 13:30:17 +0000 https://vulnerability.circl.lu/vuln/cve-2025-38312 <p><strong>Affected:</strong> Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fbdev: core: fbcvt: avoid division by 0 in fb_cvt_hperiod()</p> <p>In fb_find_mode_cvt(), iff mode-&gt;refresh somehow happens to be 0x80000000, cvt.f_refresh will become 0 when multiplying it by 2 due to overflow. It&#39;s then passed to fb_cvt_hperiod(), where it&#39;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...</p> <p>Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool.</p> <p><strong>Affected:</strong> Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fbdev: core: fbcvt: avoid division by 0 in fb_cvt_hperiod()</p> <p>In fb_find_mode_cvt(), iff mode-&gt;refresh somehow happens to be 0x80000000, cvt.f_refresh will become 0 when multiplying it by 2 due to overflow. It&#39;s then passed to fb_cvt_hperiod(), where it&#39;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...</p> <p>Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool.</p> https://vulnerability.circl.lu/vuln/cve-2025-38312