CVE-2017-12762

9.8 criticalEPSS 5.2%

Critical (9.8). EPSS 5.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 5.2% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2017-08-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

canonical:ubuntu_linux
linux:linux_kernel

References

http://www.openwall.com/lists/oss-security/2020/02/11/1
http://www.openwall.com/lists/oss-security/2020/02/11/2
http://www.openwall.com/lists/oss-security/2020/02/14/4
http://www.securityfocus.com/bid/100251
https://patchwork.kernel.org/patch/9880041/

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