CVE-2026-43141

{"id": "CVE-2026-43141", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec", "lessThan": "d652ef399f131fcd5f8f34266167449ee7c9e5b3", "versionType": "git"}, {"status": "affected", "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec", "lessThan": "5590cd04d6845c01a6bad985a491c58af6fb5389", "versionType": "git"}, {"status": "affected", "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec", "lessThan": "a11d03d116eef138a7249202bd772c8e61915aec", "versionType": "git"}, {"status": "affected", "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec", "lessThan": "d0559d07afabfddaaded6a61a16154486b956764", "versionType": "git"}, {"status": "affected", "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec", "lessThan": "2e4d5e8d86a969318340be95470bb76e52392082", "versionType": "git"}, {"status": "affected", "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec", "lessThan": "a133e3caf844a3f56b6eef89ddaa66115874f6bd", "versionType": "git"}, {"status": "affected", "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec", "lessThan": "1a867d0d79a4a570a33f2f433919ad2bd7a27b67", "versionType": "git"}, {"status": "affected", "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec", "lessThan": "186615f8855a0be4ee7d3fcd09a8ecc10e783b08", "versionType": "git"}], "programFiles": ["drivers/ntb/hw/mscc/ntb_hw_switchtec.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.15"}, {"status": "unaffected", "version": "0", "lessThan": "4.15", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.252", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.202", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.165", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.128", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.75", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.16", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.6", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/ntb/hw/mscc/ntb_hw_switchtec.c"], "defaultStatus": "affected"}]}], "published": "2026-05-06T12:16:31.493", "references": [{"url": "https://git.kernel.org/stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2e4d5e8d86a969318340be95470bb76e52392082", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a11d03d116eef138a7249202bd772c8e61915aec", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bd", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d0559d07afabfddaaded6a61a16154486b956764", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut\n\nNumber of MW LUTs depends on NTB configuration and can be set to zero,\nin such scenario rounddown_pow_of_two will cause undefined behaviour and\nshould not be performed.\nThis patch ensures that rounddown_pow_of_two is called on valid value."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nntb: ntb_hw_switchtec: Correcci\u00f3n de desplazamiento fuera de l\u00edmites para 0 mw lut\n\nEl n\u00famero de MW LUTs depende de la configuraci\u00f3n de NTB y puede establecerse en cero; en tal escenario, rounddown_pow_of_two causar\u00e1 un comportamiento indefinido y no deber\u00eda realizarse.\nEste parche asegura que rounddown_pow_of_two se llama con un valor v\u00e1lido."}], "lastModified": "2026-11-11T21:10:00.200", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0DACC27E-2C7E-4A63-8C6D-D02E7C1191F3", "versionEndExcluding": "5.10.252", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4002FC2B-1456-4666-B240-0EBF590C4671", "versionEndExcluding": "5.15.202", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654", "versionEndExcluding": "6.1.165", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2", "versionEndExcluding": "6.6.128", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}