CVE-2020-36790

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2020-36790", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-26T17:07:27.435Z", "datePublished": "2025-05-01T14:09:02.172Z", "dateUpdated": "2026-05-11T13:42:57.097Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:42:57.097Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix a memory leak\n\nWe forgot to free new_model_number"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nvme/target/configfs.c"], "versions": [{"version": "013b7ebe5a0d70e2a02fd225174595e79c591b3e", "lessThan": "227064b2ca9e62270ed445665ae849c73f0dfb2c", "status": "affected", "versionType": "git"}, {"version": "013b7ebe5a0d70e2a02fd225174595e79c591b3e", "lessThan": "382fee1a8b623e2546a3e15e80517389e0e0673e", "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/nvme/target/configfs.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "5.8.6", "lessThanOrEqual": "5.8.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.9", "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": "5.7", "versionEndExcluding": "5.8.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "5.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/227064b2ca9e62270ed445665ae849c73f0dfb2c"}, {"url": "https://git.kernel.org/stable/c/382fee1a8b623e2546a3e15e80517389e0e0673e"}], "title": "nvmet: fix a memory leak", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/nvme/target/configfs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "227064b2ca9e62270ed445665ae849c73f0dfb2c", "status": "affected", "version": "013b7ebe5a0d70e2a02fd225174595e79c591b3e", "versionType": "git"}, {"lessThan": "382fee1a8b623e2546a3e15e80517389e0e0673e", "status": "affected", "version": "013b7ebe5a0d70e2a02fd225174595e79c591b3e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/nvme/target/configfs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.7"}, {"lessThan": "5.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.8.*", "status": "unaffected", "version": "5.8.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.9", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "354E887C-146E-4F70-BF88-62BD1931C336", "versionEndExcluding": "5.8.6", "versionStartIncluding": "5.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.9:rc1:*:*:*:*:*:*", "matchCriteriaId": "ED15D3A6-4BBA-4237-AC4A-6C9663DAE78D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.9:rc2:*:*:*:*:*:*", "matchCriteriaId": "A67F6509-9592-44D5-8C65-B0791C7A501A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix a memory leak\n\nWe forgot to free new_model_number"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvmet: corrige una p\u00e9rdida de memoria Olvidamos liberar new_model_number"}], "id": "CVE-2020-36790", "lastModified": "2026-06-17T03:16:15.007", "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": "2025-05-01T15:15:54.020", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/227064b2ca9e62270ed445665ae849c73f0dfb2c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/382fee1a8b623e2546a3e15e80517389e0e0673e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: nvmet: fix a memory leak", "id": "2363374", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363374"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnvmet: fix a memory leak\nWe forgot to free new_model_number"], "name": "CVE-2020-36790", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-36790\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-36790\nhttps://lore.kernel.org/linux-cve-announce/2025050110-CVE-2020-36790-c8e2@gregkh/T"], "statement": "A memory leak was found in the NVMe target\u2019s configfs interface, where a dynamically allocated model number string was not freed after configuration. The vulnerability requires privileged access (CAP_SYS_ADMIN) and cannot be triggered by unprivileged users. It may lead to minor memory exhaustion if repeatedly invoked in systems running NVMe targets.", "threat_severity": "Moderate"}

{"created": "2025-06-24T09:51:38.877976+00:00", "updated": "2025-06-24T09:51:38.878028+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}