gsd-2020-29368
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-29368", "description": "An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.", "id": "GSD-2020-29368", "references": [ "https://www.suse.com/security/cve/CVE-2020-29368.html", "https://access.redhat.com/errata/RHSA-2021:4356", "https://access.redhat.com/errata/RHSA-2021:4140", "https://ubuntu.com/security/CVE-2020-29368", "https://linux.oracle.com/cve/CVE-2020-29368.html", "https://access.redhat.com/errata/RHSA-2022:5220", "https://access.redhat.com/errata/RHSA-2022:5224", "https://access.redhat.com/errata/RHSA-2022:5626", "https://access.redhat.com/errata/RHSA-2022:5633" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-29368" ], "details": "An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.", "id": "GSD-2020-29368", "modified": "2023-12-13T01:22:11.922295Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-29368", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5", "refsource": "MISC", "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5" }, { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040" }, { "name": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2045", "refsource": "MISC", "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2045" }, { "name": "https://security.netapp.com/advisory/ntap-20210108-0002/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20210108-0002/" } ] } }, "nvd.nist.gov": { "cve": { "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9F533643-6482-466F-87F2-9446C8214FF5", "versionEndExcluding": "4.9.228", "versionStartIncluding": "4.5.5", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "82A795AE-6C0D-4C70-93E8-CB1183C8F147", "versionEndExcluding": "4.14.185", "versionStartIncluding": "4.10", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "96593438-C71A-47FD-B19B-F54C6E65BDA5", "versionEndExcluding": "4.19.129", "versionStartIncluding": "4.15", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "55E407BF-74C3-42AB-8591-2385D5732960", "versionEndExcluding": "5.4.48", "versionStartIncluding": "4.20", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "45E1B7E8-BF1C-4AFA-9862-DAE3916A8846", "versionEndExcluding": "5.7.5", "versionStartIncluding": "5.5", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*", "matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4", "vulnerable": true }, { "criteria": "cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*", "matchCriteriaId": "85DF4B3F-4BBC-42B7-B729-096934523D63", "vulnerable": true }, { "criteria": "cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*", "matchCriteriaId": "A3C19813-E823-456A-B1CE-EC0684CE1953", "vulnerable": true }, { "criteria": "cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*", "matchCriteriaId": "A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*", "matchCriteriaId": "1C767AA1-88B7-48F0-9F31-A89D16DCD52C", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*", "matchCriteriaId": "AD7447BC-F315-4298-A822-549942FC118B", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*", "matchCriteriaId": "CDDF61B7-EC5C-467C-B710-B89F502CD04F", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" } ], "descriptions": [ { "lang": "en", "value": "An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1." }, { "lang": "es", "value": "Se detect\u00f3 un problema en la funci\u00f3n __split_huge_pmd en el archivo mm/huge_memory.c en el kernel de Linux versiones anteriores a 5.7.5. La implementaci\u00f3n copy-on-write puede otorgar acceso de escritura no previsto debido a una condici\u00f3n de carrera en una comprobaci\u00f3n de conteo de mapas THP, tambi\u00e9n se conoce como CID-c444eb564fb1" } ], "id": "CVE-2020-29368", "lastModified": "2024-02-15T15:56:34.797", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0" }, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2020-11-28T07:15:11.460", "references": [ { "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2045" }, { "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20210108-0002/" } ], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-362" } ], "source": "nvd@nist.gov", "type": "Primary" } ] } } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.