{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49448", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.572Z", "datePublished": "2025-02-26T02:12:59.203Z", "dateUpdated": "2025-05-04T08:37:57.894Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:37:57.894Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: bcm: Check for NULL return of devm_kzalloc()\n\nAs the potential failure of allocation, devm_kzalloc() may return NULL. Then\nthe 'pd->pmb' and the follow lines of code may bring null pointer dereference.\n\nTherefore, it is better to check the return value of devm_kzalloc() to avoid\nthis confusion."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/soc/bcm/bcm63xx/bcm-pmb.c"], "versions": [{"version": "8bcac4011ebe0dbdd46fd55b036ee855c95702d3", "lessThan": "5650e103bfc70156001615861fb8aafb3947da6e", "status": "affected", "versionType": "git"}, {"version": "8bcac4011ebe0dbdd46fd55b036ee855c95702d3", "lessThan": "36339ea7bae4943be01c8e9545e46e334591fecd", "status": "affected", "versionType": "git"}, {"version": "8bcac4011ebe0dbdd46fd55b036ee855c95702d3", "lessThan": "b48b98743b568bb219152ba2e15af6ef0d3d8a9b", "status": "affected", "versionType": "git"}, {"version": "8bcac4011ebe0dbdd46fd55b036ee855c95702d3", "lessThan": "b4bd2aafacce48db26b0a213d849818d940556dd", "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/soc/bcm/bcm63xx/bcm-pmb.c"], "versions": [{"version": "5.12", "status": "affected"}, {"version": "0", "lessThan": "5.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.46", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.14", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "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": "5.12", "versionEndExcluding": "5.15.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.17.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5650e103bfc70156001615861fb8aafb3947da6e"}, {"url": "https://git.kernel.org/stable/c/36339ea7bae4943be01c8e9545e46e334591fecd"}, {"url": "https://git.kernel.org/stable/c/b48b98743b568bb219152ba2e15af6ef0d3d8a9b"}, {"url": "https://git.kernel.org/stable/c/b4bd2aafacce48db26b0a213d849818d940556dd"}], "title": "soc: bcm: Check for NULL return of devm_kzalloc()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4B1B70ED-9D25-4914-8F22-87A4DFAD7934", "versionEndExcluding": "5.15.46", "versionStartIncluding": "5.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15E2DD33-2255-4B76-9C15-04FF8CBAB252", "versionEndExcluding": "5.17.14", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2", "versionEndExcluding": "5.18.3", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: bcm: Check for NULL return of devm_kzalloc()\n\nAs the potential failure of allocation, devm_kzalloc() may return NULL. Then\nthe 'pd->pmb' and the follow lines of code may bring null pointer dereference.\n\nTherefore, it is better to check the return value of devm_kzalloc() to avoid\nthis confusion."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: soc: bcm: Verificar el retorno NULL de devm_kzalloc() Como posible fallo de asignaci\u00f3n, devm_kzalloc() puede devolver NULL. Entonces, 'pd->pmb' y las siguientes l\u00edneas de c\u00f3digo pueden generar una desreferencia de puntero nulo. Por lo tanto, es mejor verificar el valor de retorno de devm_kzalloc() para evitar esta confusi\u00f3n."}], "id": "CVE-2022-49448", "lastModified": "2025-03-17T16:12:30.140", "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": "2025-02-26T07:01:21.200", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36339ea7bae4943be01c8e9545e46e334591fecd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5650e103bfc70156001615861fb8aafb3947da6e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b48b98743b568bb219152ba2e15af6ef0d3d8a9b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b4bd2aafacce48db26b0a213d849818d940556dd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: soc: bcm: Check for NULL return of devm_kzalloc()", "id": "2347674", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347674"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsoc: bcm: Check for NULL return of devm_kzalloc()\nAs the potential failure of allocation, devm_kzalloc() may return NULL. Then\nthe 'pd->pmb' and the follow lines of code may bring null pointer dereference.\nTherefore, it is better to check the return value of devm_kzalloc() to avoid\nthis confusion."], "name": "CVE-2022-49448", "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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49448\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49448\nhttps://lore.kernel.org/linux-cve-announce/2025022658-CVE-2022-49448-0cec@gregkh/T"], "threat_severity": "Moderate"}