{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38312","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:24.003Z","datePublished":"2025-07-10T07:42:20.647Z","dateUpdated":"2026-05-12T12:04:47.061Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:25:32.622Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: core: fbcvt: avoid division by 0 in fb_cvt_hperiod()\n\nIn fb_find_mode_cvt(), iff mode->refresh somehow happens to be 0x80000000,\ncvt.f_refresh will become 0 when multiplying it by 2 due to overflow. It's\nthen passed to fb_cvt_hperiod(), where it's used as a divider -- division\nby 0 will result in kernel oops. Add a sanity check for cvt.f_refresh to\navoid such overflow...\n\nFound by Linux Verification Center (linuxtesting.org) with the Svace static\nanalysis tool."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/core/fbcvt.c"],"versions":[{"version":"96fe6a2109db29cd15b90a093c16e6cb4b19371a","lessThan":"9027ce4c037b566b658b8939a76326b7125e3627","status":"affected","versionType":"git"},{"version":"96fe6a2109db29cd15b90a093c16e6cb4b19371a","lessThan":"610f247f2772e4f92b63442125a1b7ade79898d8","status":"affected","versionType":"git"},{"version":"96fe6a2109db29cd15b90a093c16e6cb4b19371a","lessThan":"2d63433e8eaa3c91b2948190e395bc67009db0d9","status":"affected","versionType":"git"},{"version":"96fe6a2109db29cd15b90a093c16e6cb4b19371a","lessThan":"54947530663edcbaaee1314c01fdd8c72861b124","status":"affected","versionType":"git"},{"version":"96fe6a2109db29cd15b90a093c16e6cb4b19371a","lessThan":"ab91647acdf43b984824776559a452212eaeb21a","status":"affected","versionType":"git"},{"version":"96fe6a2109db29cd15b90a093c16e6cb4b19371a","lessThan":"b235393b9f43ff86a38ca2bde6372312ea215dc5","status":"affected","versionType":"git"},{"version":"96fe6a2109db29cd15b90a093c16e6cb4b19371a","lessThan":"53784073cbad18f75583fd3da9ffdfc4d1f05405","status":"affected","versionType":"git"},{"version":"96fe6a2109db29cd15b90a093c16e6cb4b19371a","lessThan":"3f6dae09fc8c306eb70fdfef70726e1f154e173a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/core/fbcvt.c"],"versions":[{"version":"2.6.14","status":"affected"},{"version":"0","lessThan":"2.6.14","status":"unaffected","versionType":"semver"},{"version":"5.4.295","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.239","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.186","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.142","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.94","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.34","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.15.3","lessThanOrEqual":"6.15.*","status":"unaffected","versionType":"semver"},{"version":"6.16","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.4.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.10.239"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.15.186"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.1.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.6.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.12.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.15.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9027ce4c037b566b658b8939a76326b7125e3627"},{"url":"https://git.kernel.org/stable/c/610f247f2772e4f92b63442125a1b7ade79898d8"},{"url":"https://git.kernel.org/stable/c/2d63433e8eaa3c91b2948190e395bc67009db0d9"},{"url":"https://git.kernel.org/stable/c/54947530663edcbaaee1314c01fdd8c72861b124"},{"url":"https://git.kernel.org/stable/c/ab91647acdf43b984824776559a452212eaeb21a"},{"url":"https://git.kernel.org/stable/c/b235393b9f43ff86a38ca2bde6372312ea215dc5"},{"url":"https://git.kernel.org/stable/c/53784073cbad18f75583fd3da9ffdfc4d1f05405"},{"url":"https://git.kernel.org/stable/c/3f6dae09fc8c306eb70fdfef70726e1f154e173a"}],"title":"fbdev: core: fbcvt: avoid division by 0 in fb_cvt_hperiod()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:36:25.507Z"}},{"x_adpType":"supplier","providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-05-12T12:04:47.061Z"},"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.5","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP 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