CVE-2026-43148
Awaiting Analysis Awaiting Analysis - Queue
Memory Allocation Failure in Linux Kernel PowerPC SMP

Publication date: 2026-05-06

Last updated on: 2026-05-06

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Add check for kcalloc() failure in parse_thread_groups() As kcalloc() may fail, check its return value to avoid a NULL pointer dereference when passing it to of_property_read_u32_array().
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-06
Last Modified
2026-05-06
Generated
2026-06-16
AI Q&A
2026-05-06
EPSS Evaluated
2026-06-15
NVD
CVE-2026-43148
EUVD
EUVD-2026-27711
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability occurs in the Linux kernel's powerpc/smp code where the function kcalloc() may fail but its return value was not checked. This can lead to a NULL pointer dereference when the result is passed to the function of_property_read_u32_array(). The issue was fixed by adding a check for kcalloc() failure in parse_thread_groups().

Impact Analysis

If the kcalloc() failure is not handled, it can cause a NULL pointer dereference, which may lead to a kernel crash or system instability on affected Linux systems running on powerpc architectures.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-43148. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart