CVE-2024-56771

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/mtd/nand/spi/winbond.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "234d5f75c3ae911b52c5e4442b8a87fbbd129836", "status": "affected", "version": "6a804fb72de56d6a99b799f565ae45f2cec7cd55", "versionType": "git"}, {"lessThan": "fee9b240916df82a8b07aef0fdfe96785417a164", "status": "affected", "version": "6a804fb72de56d6a99b799f565ae45f2cec7cd55", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/mtd/nand/spi/winbond.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"lessThan": "6.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.13", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "04756810-D093-4B43-B1D9-CF5035968061", "versionEndExcluding": "6.12.4", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: spinand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information\n\nThese four chips:\n* W25N512GW\n* W25N01GW\n* W25N01JW\n* W25N02JW\nall require a single bit of ECC strength and thus feature an on-die\nHamming-like ECC engine. There is no point in filling a ->get_status()\ncallback for them because the main ECC status bytes are located in\nstandard places, and retrieving the number of bitflips in case of\ncorrected chunk is both useless and unsupported (if there are bitflips,\nthen there is 1 at most, so no need to query the chip for that).\n\nWithout this change, a kernel warning triggers every time a bit flips."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mtd: spinand: winbond: Corrige la informaci\u00f3n ECC de 512GW, 01GW, 01JW y 02JW Estos cuatro chips: * W25N512GW * W25N01GW * W25N01JW * W25N02JW requieren un solo bit de fuerza ECC y, por lo tanto, cuentan con un motor ECC tipo Hamming en la matriz. No tiene sentido completar una devoluci\u00f3n de llamada ->get_status() para ellos porque los bytes de estado ECC principales se encuentran en lugares est\u00e1ndar, y recuperar el n\u00famero de bitflips en caso de un fragmento corregido es in\u00fatil y no tiene soporte (si hay bitflips, entonces hay 1 como m\u00e1ximo, por lo que no es necesario consultar al chip para eso). Sin este cambio, se activa una advertencia del kernel cada vez que se cambia un bit."}], "id": "CVE-2024-56771", "lastModified": "2026-06-17T08:12:57.197", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-56771", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T19:56:51.708254Z", "version": "2.0.3"}}]}, "published": "2025-01-08T18:15:17.777", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/234d5f75c3ae911b52c5e4442b8a87fbbd129836"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fee9b240916df82a8b07aef0fdfe96785417a164"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mtd: spinand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information", "id": "2336559", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2336559"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-124", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmtd: spinand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information\nThese four chips:\n* W25N512GW\n* W25N01GW\n* W25N01JW\n* W25N02JW\nall require a single bit of ECC strength and thus feature an on-die\nHamming-like ECC engine. There is no point in filling a ->get_status()\ncallback for them because the main ECC status bytes are located in\nstandard places, and retrieving the number of bitflips in case of\ncorrected chunk is both useless and unsupported (if there are bitflips,\nthen there is 1 at most, so no need to query the chip for that).\nWithout this change, a kernel warning triggers every time a bit flips."], "name": "CVE-2024-56771", "package_state": [{"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": "2025-01-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56771\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56771\nhttps://lore.kernel.org/linux-cve-announce/2025010808-CVE-2024-56771-3ace@gregkh/T"], "threat_severity": "Low"}

{}