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{"acknowledgement": "This issue was discovered by Sun Baoliang (Red Hat).", "affected_release": [{"advisory": "RHSA-2015:0864", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-504.16.2.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2015-04-21T00:00:00Z"}, {"advisory": "RHSA-2015:1082", "cpe": "cpe:/o:redhat:rhel_mission_critical:6.2", "package": "kernel-0:2.6.32-220.63.2.el6", "product_name": "Red Hat Enterprise Linux 6.2 Advanced Update Support", "release_date": "2015-06-09T00:00:00Z"}, {"advisory": "RHSA-2015:1030", "cpe": "cpe:/o:redhat:rhel_aus:6.4", "package": "kernel-0:2.6.32-358.61.1.el6", "product_name": "Red Hat Enterprise Linux 6.4 Advanced Update Support", "release_date": "2015-05-27T00:00:00Z"}, {"advisory": "RHSA-2015:0782", "cpe": "cpe:/o:redhat:rhel_eus:6.5", "package": "kernel-0:2.6.32-431.53.2.el6", "product_name": "Red Hat Enterprise Linux 6.5 Extended Update Support", "release_date": "2015-04-07T00:00:00Z"}, {"advisory": "RHSA-2015:0727", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-229.1.2.rt56.141.2.el7_1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-03-26T00:00:00Z"}, {"advisory": "RHSA-2015:0726", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-229.1.2.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-03-26T00:00:00Z"}, {"advisory": "RHSA-2015:0751", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-1:3.10.0-229.rt56.147.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2015-03-30T00:00:00Z"}], "bugzilla": {"description": "kernel: net: slab corruption from use after free on INIT collisions", "id": "1196581", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1196581"}, "csaw": false, "cvss": {"cvss_base_score": "7.1", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "status": "verified"}, "cwe": "CWE-416", "details": ["Use-after-free vulnerability in the sctp_assoc_update function in net/sctp/associola.c in the Linux kernel before 3.18.8 allows remote attackers to cause a denial of service (slab corruption and panic) or possibly have unspecified other impact by triggering an INIT collision that leads to improper handling of shared-key data.", "A use-after-free flaw was found in the way the Linux kernel's SCTP implementation handled authentication key reference counting during INIT collisions. A remote attacker could use this flaw to crash the system or, potentially, escalate their privileges on the system."], "name": "CVE-2015-1421", "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": "2015-01-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-1421\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-1421"], "statement": "This issue did not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5.\nThis issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2. Future Linux kernel updates for the respective releases may address this issue.", "threat_severity": "Important"}