{ "id": "CVE-2020-11494", "sourceIdentifier": "cve@mitre.org", "published": "2020-04-02T21:15:13.613", "lastModified": "2022-04-29T13:26:22.747", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2. It allows attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL, aka CID-b9258a2cece4." }, { "lang": "es", "value": "Se detect\u00f3 un problema en la funci\u00f3n slc_bump en el archivo drivers/net/can/slcan.c en el kernel de Linux versi\u00f3n 3.16 hasta la versi\u00f3n 5.6.2. Permite a atacantes leer datos de can_frame no inicializados, conteniendo potencialmente informaci\u00f3n confidencial de la memoria de la pila del kernel, si la configuraci\u00f3n carece de CONFIG_INIT_STACK_ALL, tambi\u00e9n se conoce como CID-b9258a2cece4" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-908" }, { "lang": "en", "value": "CWE-909" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndIncluding": "5.6.2", "matchCriteriaId": "60BE7542-AEBA-426E-8C70-3F1635B2D871" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43" }, { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624" } ] } ] } ], "references": [ { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20200430-0004/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/4363-1/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/4364-1/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/4368-1/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/4369-1/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2020/dsa-4698", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }