Siemens SIMATIC S7 1500 CPU bug can corrupt memory

Published September 11, 2026

Siemens SIMATIC S7 1500 CPU has a CERT-Bund advisory for 207 vulnerabilities. An attacker can exploit multiple vulnerabilities in the Linux kernel to carry out unspecified attacks that may lead to a denial-of-service condition or cause memory corruption.

Severity
Not scoredNo CVSS score recorded
Fix
Fixed in 1500 CPUFix recorded today
Affected versions
affected versions
Affects
Siemens SIMATIC S7 1500 CPU+1 more
Exploited
Not confirmedNo confirmation recorded

How it works

An attacker can exploit multiple vulnerabilities in the Linux kernel to carry out unspecified attacks that may lead to a denial-of-service condition or cause memory corruption.

What to do

Check your Siemens SIMATIC S7 1500 CPU version. If it is older than 1500 CPU, this advisory applies.

Update Siemens SIMATIC S7 1500 CPU to 1500 CPU or newer.

Technical details

CERT-Bund describes Siemens SIMATIC S7 1500 CPU as Der Kernel stellt den Kern des Linux Betriebssystems dar. An attacker can exploit multiple vulnerabilities in the Linux kernel to carry out unspecified attacks that may lead to a denial-of-service condition or cause memory corruption. The advisory tracks CVE-2022-50712, CVE-2022-50713, CVE-2022-50714, CVE-2022-50715, CVE-2022-50716, CVE-2022-50717, CVE-2022-50718, CVE-2022-50719.

In CERT-Bund's CSAF data, the fixed version is 1500 CPU. Affected operating systems listed by CERT-Bund: Linux.

References

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