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CVE-2026-46141

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: fix kmemleak caused by incorrect chip_data lookup The kmemleak reports the following memory leak: Unreferenced o…

Published May 28, 2026CWE-401EPSS 0.16%

Overview

CVE-2026-46141 is a medium-severity vulnerability. It was published on May 28, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

powerpc/xive: fix kmemleak caused by incorrect chip_data lookup

The kmemleak reports the following memory leak:

Unreferenced object 0xc0000002a7fbc640 (size 64):

comm "kworker/8:1", pid 540, jiffies 4294937872

hex dump (first 32 bytes):

01 00 00 00 00 00 00 00 00 00 09 04 00 04 00 00 ................

00 00 a7 81 00 00 0a c0 00 00 08 04 00 04 00 00 ................

backtrace (crc 177d48f6):

__kmalloc_cache_noprof+0x520/0x730

xive_irq_alloc_data.constprop.0+0x40/0xe0

xive_irq_domain_alloc+0xd0/0x1b0

irq_domain_alloc_irqs_parent+0x44/0x6c

pseries_irq_domain_alloc+0x1cc/0x354

irq_domain_alloc_irqs_parent+0x44/0x6c

msi_domain_alloc+0xb0/0x220

irq_domain_alloc_irqs_locked+0x138/0x4d0

__irq_domain_alloc_irqs+0x8c/0xfc

__msi_domain_alloc_irqs+0x214/0x4d8

msi_domain_alloc_irqs_all_locked+0x70/0xf8

pci_msi_setup_msi_irqs+0x60/0x78

__pci_enable_msix_range+0x54

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/2546fb8c9acc8c7512ed4339ce2a982cb7407065Refgit.kernel.org/stable/c/6771c54728c278bf1e4bfdab4fddbbb186e33498Refgit.kernel.org/stable/c/e66ed135cdf23a318e9727dca48f98f7f6142f78

How CyberStrike helps

Frequently asked questions

What is CVE-2026-46141?

CVE-2026-46141 is a medium-severity vulnerability. It was published on May 28, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-46141?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-46141?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-46141?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-46141 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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