CVE-2021-47407

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23", "name": "https://git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23", "tags": ["Patch", "Mailing List"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23", "name": "https://git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23", "tags": ["Patch", "Mailing List"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4", "name": "https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4", "tags": ["Patch", "Mailing List"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4", "name": "https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4", "tags": ["Patch", "Mailing List"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb", "name": "https://git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb", "tags": ["Patch", "Mailing List"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb", "name": "https://git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb", "tags": ["Patch", "Mailing List"], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Handle SRCU initialization failure during page track init\n\nCheck the return of init_srcu_struct(), which can fail due to OOM, when\ninitializing the page track mechanism. Lack of checking leads to a NULL\npointer deref found by a modified syzkaller.\n\n[Move the call towards the beginning of kvm_arch_init_vm. - Paolo]"}]}, "problemtype": {"problemtype_data": [{"description": []}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-47407", "ASSIGNER": "cve@kernel.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}}, "publishedDate": "2024-05-21T15:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.14.10", "versionStartIncluding": "5.11"}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.10.71"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2024-11-21T06:36Z"}