CVE-2016-7117
9.8
CRITICAL · CVSS 3.1 · EPSS 23.6% (pctl 98)
Patch early
EPSS 23.6% — above the 10% action threshold.
Description
Use-after-free vulnerability in the __sys_recvmmsg function in net/socket.c in the Linux kernel before 4.5.2 allows remote attackers to execute arbitrary code via vectors involving a recvmmsg system call that is mishandled during error processing.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 23.56% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-19 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2016-10-10 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| debian | debian linux |
| linux | linux kernel |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7d
- http://rhn.redhat.com/errata/RHSA-2016-2962.html
- http://rhn.redhat.com/errata/RHSA-2017-0031.html
- http://rhn.redhat.com/errata/RHSA-2017-0036.html
- http://rhn.redhat.com/errata/RHSA-2017-0065.html
- http://rhn.redhat.com/errata/RHSA-2017-0086.html
- http://rhn.redhat.com/errata/RHSA-2017-0091.html
- http://rhn.redhat.com/errata/RHSA-2017-0113.html
- http://rhn.redhat.com/errata/RHSA-2017-0196.html
- http://rhn.redhat.com/errata/RHSA-2017-0215.html
- http://rhn.redhat.com/errata/RHSA-2017-0216.html
- http://rhn.redhat.com/errata/RHSA-2017-0217.html
- http://rhn.redhat.com/errata/RHSA-2017-0270.html
- http://source.android.com/security/bulletin/2016-10-01.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2
- http://www.securityfocus.com/bid/93304
- https://bugzilla.novell.com/show_bug.cgi?id=1003077
- https://bugzilla.redhat.com/show_bug.cgi?id=1382268
- https://github.com/torvalds/linux/commit/34b88a68f26a75e4fded796f1a49c40f82234b7d
- https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7117.html
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