Signal is active with 2 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in pkey_pckmo handler implementation Explicitly check the length of the target buffer in the pkey_pckmo implementation of the key_to_protkey() handler function. The handler function fails, if the generated output data exceeds the length of the provided target buffer.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
NONE
CVE-2026-64558 In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in pkey_pckmo handler implementation Explicitly check the length of the … https://www.cve.org/CVERecord?id=CVE-2026-64558
Post summary
CVE-2026-64558, a vulnerability in the Linux kernel’s s390 pkey handler, has been fixed with a patch that adds a length check; no PoC, exploit, or active exploitation is reported.
🚨*CVE* CVE-2026-64558 In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in pkey_pckmo handler implementation Explicitly check the length of the … https://www.cve.org/CVERecord?id=CVE-2026-64558 ----- Traducción: CVE-2026-64558 En … http://infoflow.cloud`
Post summary
The post announces that CVE-2026-64558, a Linux kernel issue, has been fixed, with no proof‑of‑concept, exploit, or active exploitation details shared.