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{"acknowledgement": "Red Hat would like to thank Nick Bowler for reporting this issue.", "affected_release": [{"advisory": "RHSA-2012:0350", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-220.7.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-03-06T00:00:00Z"}, {"advisory": "RHSA-2012:0010", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:2.6.33.9-rt31.79.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2012-01-10T00:00:00Z"}], "bugzilla": {"description": "kernel: crypto: ghash: null pointer deref if no key is set", "id": "749475", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=749475"}, "csaw": false, "cvss": {"cvss_base_score": "4.9", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "status": "verified"}, "cwe": "CWE-476", "details": ["crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a failed or missing ghash_setkey function call, followed by a (1) ghash_update function call or (2) ghash_final function call, as demonstrated by a write operation on an AF_ALG socket."], "name": "CVE-2011-4081", "public_date": "2011-10-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4081\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4081"], "statement": "This issue did not affect the Linux kernels as shipped with Red Hat Enterprise Linux 4, and 5 as they did not include support for the GHASH message digest algorithm. This has been addressed in Red Hat Enterprise Linux 6, and MRG via https://rhn.redhat.com/errata/RHSA-2012-0350.html, and https://rhn.redhat.com/errata/RHSA-2012-0010.html.", "threat_severity": "Moderate"}