gsd-2023-6622
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2023-6622", "id": "GSD-2023-6622" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2023-6622" ], "details": "A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.", "id": "GSD-2023-6622", "modified": "2023-12-13T01:20:32.614397Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2023-6622", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Red Hat Enterprise Linux 6", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 7", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 8", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected" } }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 9", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected" } }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected" } } ] } } ] }, "vendor_name": "Red Hat" } ] } }, "credits": [ { "lang": "en", "value": "Red Hat would like to thank Xingyuan Mo ((IceSword Lab)) for reporting this issue." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service." } ] }, "impact": { "cvss": [ { "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" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "cweId": "CWE-476", "lang": "eng", "value": "NULL Pointer Dereference" } ] } ] }, "references": { "reference_data": [ { "name": "https://access.redhat.com/security/cve/CVE-2023-6622", "refsource": "MISC", "url": "https://access.redhat.com/security/cve/CVE-2023-6622" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2253632", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253632" }, { "name": "https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea", "refsource": "MISC", "url": "https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea" }, { "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AAOVK2F3ALGKYIQ5IOMAYEC2DGI7BWAW/", "refsource": "MISC", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AAOVK2F3ALGKYIQ5IOMAYEC2DGI7BWAW/" }, { "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G3AGDVE3KBLOOYBPISFDS74R4YAZEDAY/", "refsource": "MISC", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G3AGDVE3KBLOOYBPISFDS74R4YAZEDAY/" } ] }, "work_around": [ { "lang": "en", "value": "Mitigation for this issue is to skip loading the affected module \"netfilter\" onto the system till we have a fix available, this can be done by a blacklist mechanism, this will ensure the driver is not loaded at the boot time.\n~~~\nHow do I blacklist a kernel module to prevent it from loading automatically?\nhttps://access.redhat.com/solutions/41278" } ] }, "nvd.nist.gov": { "cve": { "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "02843087-747A-4630-8CAA-21ADAC4A7612", "versionEndIncluding": "6.6", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:6.7:rc1:*:*:*:*:*:*", "matchCriteriaId": "3A0038DE-E183-4958-A6E3-CE3821FEAFBF", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:6.7:rc2:*:*:*:*:*:*", "matchCriteriaId": "E31AD4FC-436C-44AB-BCAB-3A0B37F69EE0", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:6.7:rc3:*:*:*:*:*:*", "matchCriteriaId": "C56C6E04-4F04-44A3-8DB8-93899903CFCF", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:6.7:rc4:*:*:*:*:*:*", "matchCriteriaId": "5C78EDA4-8BE6-42FC-9512-49032D525A55", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true }, { "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "descriptions": [ { "lang": "en", "value": "A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service." }, { "lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad de desreferencia de puntero nulo en nft_dynset_init() en net/netfilter/nft_dynset.c en nf_tables en el kernel de Linux. Este problema puede permitir que un atacante local con privilegios de usuario CAP_NET_ADMIN active una denegaci\u00f3n de servicio." } ], "id": "CVE-2023-6622", "lastModified": "2023-12-22T02:15:43.100", "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" }, { "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": "secalert@redhat.com", "type": "Secondary" } ] }, "published": "2023-12-08T18:15:07.163", "references": [ { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/security/cve/CVE-2023-6622" }, { "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253632" }, { "source": "secalert@redhat.com", "tags": [ "Patch" ], "url": "https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea" }, { "source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AAOVK2F3ALGKYIQ5IOMAYEC2DGI7BWAW/" }, { "source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G3AGDVE3KBLOOYBPISFDS74R4YAZEDAY/" } ], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-476" } ], "source": "nvd@nist.gov", "type": "Primary" }, { "description": [ { "lang": "en", "value": "CWE-476" } ], "source": "secalert@redhat.com", "type": "Secondary" } ] } } } }
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- 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.