Back
CVE-2016-9576
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,…
High7.8EPSS 0.44%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.44% · top 62% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (19)
- openSUSE-SU-2016:3118 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:3248 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a0ac402cfcdc904f9772e1762b3fda112dcc56a0 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2016:3085 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://github.com/torvalds/linux/commit/a0ac402cfcdc904f9772e1762b3fda112dcc56a0 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:2669 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2016:3188 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2016:3086 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:3146 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:3203 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2017:0817 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2016:3217 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1403145 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20161209 Linux Kernel use-after-free in SCSI generic device interface (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2017:2077 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1842 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 94821 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- SUSE-SU-2016:3252 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .