CVE-2016-10088

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NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576."}, {"lang": "es", "value": "La implementaci\u00f3n sg en el kernel Linux hasta la versi\u00f3n 4.9 no restringe correctamente operaciones de escritura en situaciones donde la opci\u00f3n KERNEL_DS est\u00e1 activa, lo que permite a usuarios locales leer o escribir a ubicacioes arbitrarias de memoria de kernel o provocar una denegaci\u00f3n de servicio (uso despues de liberaci\u00f3n) aprovechando el acceso al dispositivo /dev/sg, relacionado con block/bsg.c y drivers/scsi/sg.c. 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{"affected_release": [{"advisory": "RHSA-2017:0817", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-696.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-03-21T00:00:00Z"}, {"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-2017:2669", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-1:3.10.0-693.2.1.rt56.585.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2017-09-06T00:00:00Z"}], "bugzilla": {"description": "kernel: Use after free in SCSI generic device interface (CVE-2016-9576 regression)", "id": "1412210", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1412210"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576.", "It was found that the fix for CVE-2016-9576 was incomplete: the Linux kernel's sg implementation did not properly restrict write operations in situations where the KERNEL_DS option is set. A local attacker to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging write access to a /dev/sg device."], "name": "CVE-2016-10088", "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": "2017-01-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-10088\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-10088"], "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": "Moderate"}

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