{"dataType": "CVE_RECORD", "dataVersion": "5.1", "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": "2025-07-28T04:18:17.112Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-07-28T04:18:17.112Z"}, "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"}}}}

{}

{"cveTags": [], "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."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fbdev: core: fbcvt: evitar la divisi\u00f3n por 0 en fb_cvt_hperiod(). En fb_find_mode_cvt(), si mode->refresh resulta ser 0x80000000, cvt.f_refresh se convertir\u00e1 en 0 al multiplicarlo por 2 debido a un desbordamiento. Luego se pasa a fb_cvt_hperiod(), donde se usa como divisor; la divisi\u00f3n por 0 provocar\u00e1 un error en el kernel. A\u00f1ada una comprobaci\u00f3n de seguridad para cvt.f_refresh para evitar dicho desbordamiento. Encontrado por el Centro de Verificaci\u00f3n de Linux (linuxtesting.org) con la herramienta de an\u00e1lisis est\u00e1tico Svace."}], "id": "CVE-2025-38312", "lastModified": "2025-07-10T13:17:30.017", "metrics": {}, "published": "2025-07-10T08:15:30.120", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2d63433e8eaa3c91b2948190e395bc67009db0d9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3f6dae09fc8c306eb70fdfef70726e1f154e173a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/53784073cbad18f75583fd3da9ffdfc4d1f05405"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/54947530663edcbaaee1314c01fdd8c72861b124"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/610f247f2772e4f92b63442125a1b7ade79898d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9027ce4c037b566b658b8939a76326b7125e3627"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ab91647acdf43b984824776559a452212eaeb21a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b235393b9f43ff86a38ca2bde6372312ea215dc5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: fbdev: core: fbcvt: avoid division by 0 in fb_cvt_hperiod()", "id": "2379184", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2379184"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-38312", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38312\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38312\nhttps://lore.kernel.org/linux-cve-announce/2025071015-CVE-2025-38312-8693@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T11:06:36.473216+00:00", "updated": "2025-07-13T11:06:36.473276+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}