SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 involving a recvmmsg system call that is mishandled during error processing.

CRITICAL 9.8EPSS 23.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 23.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
23.56% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-19
Affected
debian/debian linux · linux/linux kernel · canonical/ubuntu linux
Source
security@android.com
EPSS trend
0%13%25%27 October 2026: 23.56%27 October 202627 October 2026

EPSS 23.6% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.