Buffer Overflow The advisory has been revoked - it doesn't affect any version of package realtime-kernel  (opens in a new tab)


Threat Intelligence

EPSS
5.23% (92nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL10-REALTIMEKERNEL-9891323
  • published28 Apr 2025
  • disclosed3 Aug 2017

Introduced: 3 Aug 2017

CVE-2017-12762  (opens in a new tab)
CWE-120  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream realtime-kernel package and not the realtime-kernel package as distributed by RHEL.

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.