{ "containers": { "cna": { "affected": [ { "product": "Linux Kernel", "vendor": "Linux Kernel", "versions": [ { "lessThan": "5.12.4", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "value": "Nadav Markus from Palo Alto Networks" }, { "lang": "en", "value": "Or Cohen from Palo Alto Networks" } ], "datePublic": "2021-05-11T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-416", "description": "CWE-416 Use After Free", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-06-25T05:06:31.000Z", "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "shortName": "palo_alto" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.openwall.com/lists/oss-security/2021/05/11/4" }, { "name": "FEDORA-2021-286375de1e", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZYORWNQIHNWRFYRDXBWYWBYM46PDZEN/" }, { "name": "FEDORA-2021-05152dbcf5", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QALNQT4LJFVSSA3MWCIECVY4AFPP4X77/" }, { "name": "[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html" }, { "name": "[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://security.netapp.com/advisory/ntap-20210625-0007/" } ], "solutions": [ { "lang": "en", "value": "Apply the following patch:\nhttps://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d" } ], "source": { "discovery": "EXTERNAL" }, "title": "Linux kernel llcp_sock_bind/connect use-after-free", "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@paloaltonetworks.com", "DATE_PUBLIC": "2021-05-11T11:14:00.000Z", "ID": "CVE-2021-23134", "STATE": "PUBLIC", "TITLE": "Linux kernel llcp_sock_bind/connect use-after-free" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Linux Kernel", "version": { "version_data": [ { "version_affected": "<", "version_value": "5.12.4" } ] } } ] }, "vendor_name": "Linux Kernel" } ] } }, "credit": [ { "lang": "eng", "value": "Nadav Markus from Palo Alto Networks" }, { "lang": "eng", "value": "Or Cohen from Palo Alto Networks" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. 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