CVEvulnerability
CVE-2016-9576
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2016-12-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-416
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 configurations
• linux linux kernel (>= 4.0 < 4.4.38)
• linux linux kernel (>= 4.5 < 4.8.14)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a0ac402cfcdc904f9772e1762b3fda112dcc56a0 Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00040.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00041.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html Mailing List, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0817.html Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14 Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/08/19 Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/94821 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2669 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1403145 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/a0ac402cfcdc904f9772e1762b3fda112dcc56a0 Patch, Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a0ac402cfcdc904f9772e1762b3fda112dcc56a0 Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00040.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00041.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html Mailing List, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0817.html Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14 Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/08/19 Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/94821 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2669 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1403145 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/a0ac402cfcdc904f9772e1762b3fda112dcc56a0 Patch, Vendor Advisory