High severity7.8NVD Advisory· Published Dec 28, 2016· Updated May 6, 2026
CVE-2016-9576
CVE-2016-9576
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
19- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- www.openwall.com/lists/oss-security/2016/12/08/19nvdMailing ListPatchThird Party Advisory
- github.com/torvalds/linux/commit/a0ac402cfcdc904f9772e1762b3fda112dcc56a0nvdPatchVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00040.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00041.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.htmlnvdMailing ListThird Party Advisory
- rhn.redhat.com/errata/RHSA-2017-0817.htmlnvdThird Party Advisory
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14nvdRelease NotesVendor Advisory
- www.securityfocus.com/bid/94821nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2017:1842nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2017:2077nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2017:2669nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
News mentions
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