CVE-2016-7117

critical

Published 2016-10-10 · Modified 2026-05-06

CVSS v3

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2

10.0

VIR risk

9.8

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.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-7117

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-7117.html

vendor Authored 2026-05-27

Vendor advisory: security@android.com — https://github.com/torvalds/linux/commit/34b88a68f26a75e4fded796f1a49c40f82234b7d

vendor Authored 2026-05-27

Vendor advisory: security@android.com — http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2

vendor Authored 2026-05-27

Vendor advisory: security@android.com — http://source.android.com/security/bulletin/2016-10-01.html

vendor Authored 2026-05-27

Vendor advisory: security@android.com — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7d

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`4.5.2-1`
debian	bullseye	fixed	`4.5.2-1`
debian	forky	fixed	`4.5.2-1`
debian	sid	fixed	`4.5.2-1`
debian	trixie	fixed	`4.5.2-1`
linux-kernel		affected	`3.2.80`
debian	7.0	affected
ubuntu	16.04	affected

References

CWEs

CWE-19

Verify integrity in audit chain (admin only). AS-IS.