{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47645", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:48:21.519Z", "datePublished": "2025-02-26T01:54:14.651Z", "dateUpdated": "2025-02-26T01:54:14.651Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T01:54:14.651Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com\n\nOn the case tmp_dcim=1, the index of buffer is miscalculated.\nThis generate a NULL pointer dereference later.\n\nSo let's fix the calcul and add a check to prevent this to reappear."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/staging/media/zoran/zoran_device.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "20db2ed1e2f9fcd417fa67853e5154f0c2537d6c", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "20811bbe685ca3eddd34b0c750860427d7030910", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "e3b86f4e558cea9eed71d894df2f19b10d60a207", "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/staging/media/zoran/zoran_device.c"], "versions": [{"version": "5.10.110", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.33", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.19", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.2", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e"}, {"url": "https://git.kernel.org/stable/c/7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52"}, {"url": "https://git.kernel.org/stable/c/20db2ed1e2f9fcd417fa67853e5154f0c2537d6c"}, {"url": "https://git.kernel.org/stable/c/20811bbe685ca3eddd34b0c750860427d7030910"}, {"url": "https://git.kernel.org/stable/c/e3b86f4e558cea9eed71d894df2f19b10d60a207"}], "title": "media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9CDD38D-425B-44B2-A60F-7E0DB2E4A472", "versionEndExcluding": "5.10.110", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "27C42AE8-B387-43E2-938A-E1C8B40BE6D5", "versionEndExcluding": "5.15.33", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "20C43679-0439-405A-B97F-685BEE50613B", "versionEndExcluding": "5.16.19", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "210C679C-CF84-44A3-8939-E629C87E54BF", "versionEndExcluding": "5.17.2", "versionStartIncluding": "5.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com\n\nOn the case tmp_dcim=1, the index of buffer is miscalculated.\nThis generate a NULL pointer dereference later.\n\nSo let's fix the calcul and add a check to prevent this to reappear."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: staging: media: zoran: calcula el n\u00famero de b\u00fafer correcto para zoran_reap_stat_com En el caso tmp_dcim=1, el \u00edndice del b\u00fafer se calcula mal. Esto genera una desreferencia de puntero NULL m\u00e1s adelante. Por lo tanto, arreglemos el c\u00e1lculo y agreguemos una verificaci\u00f3n para evitar que esto vuelva a aparecer."}], "id": "CVE-2021-47645", "lastModified": "2025-03-18T19:09:58.003", "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"}]}, "published": "2025-02-26T06:37:06.293", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/20811bbe685ca3eddd34b0c750860427d7030910"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/20db2ed1e2f9fcd417fa67853e5154f0c2537d6c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e3b86f4e558cea9eed71d894df2f19b10d60a207"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com", "id": "2348242", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348242"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmedia: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com\nOn the case tmp_dcim=1, the index of buffer is miscalculated.\nThis generate a NULL pointer dereference later.\nSo let's fix the calcul and add a check to prevent this to reappear."], "name": "CVE-2021-47645", "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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47645\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47645\nhttps://lore.kernel.org/linux-cve-announce/2025022648-CVE-2021-47645-ab28@gregkh/T"], "threat_severity": "Low"}