Critical severity · published Oct 10, 2016
CVE-2016-7117
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…
9.8
CVSS
23.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)23.6% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
2.6.33 before 3.2.80; 3.3 before 3.4.113; 3.5 before 3.10.102; 3.11 before 3.12.59; 3.13 before 3.14.67; 3.15 before 3.16.35; +4 more · source: NVD
DL
Debian Linux · Debian
7.0 · source: NVD
UL
Ubuntu Linux · Canonical
16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7117
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7117
Issue Tracking
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7d
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2962.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0031.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0036.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0065.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0086.html
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