{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-21775", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.763Z", "datePublished": "2025-02-27T02:18:21.019Z", "dateUpdated": "2025-05-04T07:20:55.375Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:20:55.375Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ctucanfd: handle skb allocation failure\n\nIf skb allocation fails, the pointer to struct can_frame is NULL. This\nis actually handled everywhere inside ctucan_err_interrupt() except for\nthe only place.\n\nAdd the missed NULL check.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE static\nanalysis tool."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/can/ctucanfd/ctucanfd_base.c"], "versions": [{"version": "2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7", "lessThan": "84b9ac59978a6a4e0812d1c938fad97306272cef", "status": "affected", "versionType": "git"}, {"version": "2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7", "lessThan": "e505b83b9ee6aa0ae2f4395f573a66579ae403fb", "status": "affected", "versionType": "git"}, {"version": "2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7", "lessThan": "b0e592dd46a0a952b41c3bf6c963afdd6a42b526", "status": "affected", "versionType": "git"}, {"version": "2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7", "lessThan": "e7e2e2318b1f085044126ba553a4e619842fc36d", "status": "affected", "versionType": "git"}, {"version": "2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7", "lessThan": "9bd24927e3eeb85642c7baa3b28be8bea6c2a078", "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/net/can/ctucanfd/ctucanfd_base.c"], "versions": [{"version": "5.19", "status": "affected"}, {"version": "0", "lessThan": "5.19", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.129", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.79", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.16", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.4", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14", "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": "5.19", "versionEndExcluding": "6.1.129"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.6.79"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.12.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.13.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef"}, {"url": "https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb"}, {"url": "https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526"}, {"url": "https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d"}, {"url": "https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078"}], "title": "can: ctucanfd: handle skb allocation failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EE25DF79-9FB2-4DE2-93D0-BF8587BF37CA", "versionEndExcluding": "6.1.129", "versionStartIncluding": "5.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B16AADE5-B2FD-4C14-B4E4-85E8EDAFE775", "versionEndExcluding": "6.6.79", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "13C8DB18-FC60-425F-84E5-3EDDEC61B2FC", "versionEndExcluding": "6.12.16", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2A2093ED-74A9-43F9-AC72-50030F374EA4", "versionEndExcluding": "6.13.4", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "186716B6-2B66-4BD0-852E-D48E71C0C85F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D3E781C-403A-498F-9DA9-ECEE50F41E75", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ctucanfd: handle skb allocation failure\n\nIf skb allocation fails, the pointer to struct can_frame is NULL. This\nis actually handled everywhere inside ctucan_err_interrupt() except for\nthe only place.\n\nAdd the missed NULL check.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE static\nanalysis tool."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: ctucanfd: manejar la falla de asignaci\u00f3n de skb Si la asignaci\u00f3n de skb falla, el puntero a struct can_frame es NULL. Esto se maneja en realidad en todas partes dentro de ctucan_err_interrupt() excepto en el \u00fanico lugar. Agregue la verificaci\u00f3n NULL omitida. Encontrado por Linux Verification Center (linuxtesting.org) con la herramienta de an\u00e1lisis est\u00e1tico SVACE."}], "id": "CVE-2025-21775", "lastModified": "2025-03-05T18:47:21.313", "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": "2025-02-27T03:15:18.167", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: can: ctucanfd: handle skb allocation failure", "id": "2348508", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348508"}, "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:\ncan: ctucanfd: handle skb allocation failure\nIf skb allocation fails, the pointer to struct can_frame is NULL. This\nis actually handled everywhere inside ctucan_err_interrupt() except for\nthe only place.\nAdd the missed NULL check.\nFound by Linux Verification Center (linuxtesting.org) with SVACE static\nanalysis tool."], "name": "CVE-2025-21775", "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": "2025-02-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21775\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21775\nhttps://lore.kernel.org/linux-cve-announce/2025022606-CVE-2025-21775-3137@gregkh/T"], "threat_severity": "Low"}

{}