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{"acknowledgement": "Red Hat would like to thank Andrey Ryabinin (Virtuozzo) and Igor Redko (Virtuozzo) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2020:3548", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-754.33.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2020-08-25T00:00:00Z"}, {"advisory": "RHSA-2020:3836", "cpe": "cpe:/o:redhat:rhel_aus:6.6", "package": "kernel-0:2.6.32-504.84.1.el6", "product_name": "Red Hat Enterprise Linux 6.6 Advanced Update Support", "release_date": "2020-09-24T00:00:00Z"}, {"advisory": "RHSA-2017:2077", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-693.rt56.617.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}, {"advisory": "RHSA-2017:1842", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-693.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}, {"advisory": "RHSA-2017:2437", "cpe": "cpe:/o:redhat:rhel_eus:7.3", "package": "kernel-0:3.10.0-514.28.1.el7", "product_name": "Red Hat Enterprise Linux 7.3 Extended Update Support", "release_date": "2017-08-08T00:00:00Z"}, {"advisory": "RHSA-2017:2444", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-1:3.10.0-514.rt56.231.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2017-08-08T00:00:00Z"}], "bugzilla": {"description": "kernel: Null pointer dereference in search_keyring", "id": "1428353", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1428353"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.", "A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges."], "name": "CVE-2017-2647", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2017-03-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-2647\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-2647"], "statement": "This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 as the code which can trigger the flaw is not present in the products listed.\nThis issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7 and MRG-2. Future Linux kernel updates for the respective releases might address this issue.", "threat_severity": "Important"}