CVE-2025-71143

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71143", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:30:19.661Z", "datePublished": "2026-01-14T15:07:55.828Z", "dateUpdated": "2026-05-11T21:55:48.662Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:55:48.662Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: samsung: exynos-clkout: Assign .num before accessing .hws\n\nCommit f316cdff8d67 (\"clk: Annotate struct clk_hw_onecell_data with\n__counted_by\") annotated the hws member of 'struct clk_hw_onecell_data'\nwith __counted_by, which informs the bounds sanitizer (UBSAN_BOUNDS)\nabout the number of elements in .hws[], so that it can warn when .hws[]\nis accessed out of bounds. As noted in that change, the __counted_by\nmember must be initialized with the number of elements before the first\narray access happens, otherwise there will be a warning from each access\nprior to the initialization because the number of elements is zero. This\noccurs in exynos_clkout_probe() due to .num being assigned after .hws[]\nhas been accessed:\n\n UBSAN: array-index-out-of-bounds in drivers/clk/samsung/clk-exynos-clkout.c:178:18\n index 0 is out of range for type 'clk_hw *[*]'\n\nMove the .num initialization to before the first access of .hws[],\nclearing up the warning."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/clk/samsung/clk-exynos-clkout.c"], "versions": [{"version": "f316cdff8d677db9ad9c90acb44c4cd535b0ee27", "lessThan": "fbf57f5e453dadadb3d29b2d1dbe067e3dc4e236", "status": "affected", "versionType": "git"}, {"version": "f316cdff8d677db9ad9c90acb44c4cd535b0ee27", "lessThan": "eb1f3a6ab3efee2b52361879cdc2dc6b11f499c0", "status": "affected", "versionType": "git"}, {"version": "f316cdff8d677db9ad9c90acb44c4cd535b0ee27", "lessThan": "a317f63255ebc3dac378c79c5bff4f8d0561c290", "status": "affected", "versionType": "git"}, {"version": "f316cdff8d677db9ad9c90acb44c4cd535b0ee27", "lessThan": "cf33f0b7df13685234ccea7be7bfe316b60db4db", "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/clk/samsung/clk-exynos-clkout.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.120", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.64", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.4", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "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": "6.6", "versionEndExcluding": "6.6.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.18.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fbf57f5e453dadadb3d29b2d1dbe067e3dc4e236"}, {"url": "https://git.kernel.org/stable/c/eb1f3a6ab3efee2b52361879cdc2dc6b11f499c0"}, {"url": "https://git.kernel.org/stable/c/a317f63255ebc3dac378c79c5bff4f8d0561c290"}, {"url": "https://git.kernel.org/stable/c/cf33f0b7df13685234ccea7be7bfe316b60db4db"}], "title": "clk: samsung: exynos-clkout: Assign .num before accessing .hws", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/clk/samsung/clk-exynos-clkout.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fbf57f5e453dadadb3d29b2d1dbe067e3dc4e236", "status": "affected", "version": "f316cdff8d677db9ad9c90acb44c4cd535b0ee27", "versionType": "git"}, {"lessThan": "eb1f3a6ab3efee2b52361879cdc2dc6b11f499c0", "status": "affected", "version": "f316cdff8d677db9ad9c90acb44c4cd535b0ee27", "versionType": "git"}, {"lessThan": "a317f63255ebc3dac378c79c5bff4f8d0561c290", "status": "affected", "version": "f316cdff8d677db9ad9c90acb44c4cd535b0ee27", "versionType": "git"}, {"lessThan": "cf33f0b7df13685234ccea7be7bfe316b60db4db", "status": "affected", "version": "f316cdff8d677db9ad9c90acb44c4cd535b0ee27", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/clk/samsung/clk-exynos-clkout.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.120", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.64", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.19", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C5F84D90-D922-47D3-B042-99569840DD8F", "versionEndExcluding": "6.6.120", "versionStartIncluding": "6.6.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "32BF4A52-377C-44ED-B5E6-7EA5D896E98B", "versionEndExcluding": "6.12.64", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DC988EA0-0E32-457A-BF95-89BEB31A227B", "versionEndExcluding": "6.18.4", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.6:-:*:*:*:*:*:*", "matchCriteriaId": "E346B162-D566-4E62-ABDE-ECBFB21B8BFD", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*", "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*", "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*", "matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*", "matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*", "matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*", "matchCriteriaId": "F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*", "matchCriteriaId": "EB5B7DFC-C36B-45D8-922C-877569FDDF43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: samsung: exynos-clkout: Assign .num before accessing .hws\n\nCommit f316cdff8d67 (\"clk: Annotate struct clk_hw_onecell_data with\n__counted_by\") annotated the hws member of 'struct clk_hw_onecell_data'\nwith __counted_by, which informs the bounds sanitizer (UBSAN_BOUNDS)\nabout the number of elements in .hws[], so that it can warn when .hws[]\nis accessed out of bounds. As noted in that change, the __counted_by\nmember must be initialized with the number of elements before the first\narray access happens, otherwise there will be a warning from each access\nprior to the initialization because the number of elements is zero. This\noccurs in exynos_clkout_probe() due to .num being assigned after .hws[]\nhas been accessed:\n\n UBSAN: array-index-out-of-bounds in drivers/clk/samsung/clk-exynos-clkout.c:178:18\n index 0 is out of range for type 'clk_hw *[*]'\n\nMove the .num initialization to before the first access of .hws[],\nclearing up the warning."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nclk: samsung: exynos-clkout: Asignar .num antes de acceder a .hws\n\nEl commit f316cdff8d67 ('clk: Anotar struct clk_hw_onecell_data con __counted_by') anot\u00f3 el miembro hws de 'struct clk_hw_onecell_data' con __counted_by, lo que informa al sanitizador de l\u00edmites (UBSAN_BOUNDS) sobre el n\u00famero de elementos en .hws[], para que pueda advertir cuando se accede a .hws[] fuera de los l\u00edmites. Como se se\u00f1al\u00f3 en ese cambio, el miembro __counted_by debe inicializarse con el n\u00famero de elementos antes de que ocurra el primer acceso al array, de lo contrario, habr\u00e1 una advertencia de cada acceso anterior a la inicializaci\u00f3n porque el n\u00famero de elementos es cero. Esto ocurre en exynos_clkout_probe() debido a que .num se asigna despu\u00e9s de que se haya accedido a .hws[]:\n\n UBSAN: array-index-out-of-bounds en drivers/clk/samsung/clk-exynos-clkout.c:178:18\n el \u00edndice 0 est\u00e1 fuera de rango para el tipo 'clk_hw *[*]'\n\nMover la inicializaci\u00f3n de .num a antes del primer acceso a .hws[], eliminando la advertencia."}], "id": "CVE-2025-71143", "lastModified": "2026-06-17T10:03:45.050", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-01-14T15:16:04.113", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a317f63255ebc3dac378c79c5bff4f8d0561c290"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cf33f0b7df13685234ccea7be7bfe316b60db4db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eb1f3a6ab3efee2b52361879cdc2dc6b11f499c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fbf57f5e453dadadb3d29b2d1dbe067e3dc4e236"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: clk: samsung: exynos-clkout: Assign .num before accessing .hws", "id": "2429575", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429575"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2025-71143", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not 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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-01-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71143\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71143\nhttps://lore.kernel.org/linux-cve-announce/2026011456-CVE-2025-71143-5787@gregkh/T"], "threat_severity": "Moderate"}

{}