CVE-2016-9576

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 4.8.14 does not properly restrict the type of iterator, 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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Dec 28, 2016
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2016-9576: High severity, CVSS 7.8 | Vulnix