SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-12762

In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow.

CRITICAL 9.8EPSS 5.23%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.

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
5.23% probability · 92th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
linux/linux kernel · canonical/ubuntu linux
Source
cve@mitre.org
EPSS trend
0%5%10%27 October 2026: 5.23%27 October 202627 October 2026

EPSS 5.2% 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.

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