CVE-2026-46141
5.5 · MEDIUMOverview
CVE-2026-46141 is a medium-severity vulnerability affecting linux linux_kernel. 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 and patches from linux. Update linux_kernel to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux | linux_kernel | >= 6.18, < 6.18.30 | Affected |
Frequently Asked Questions
What is CVE-2026-46141?
CVE-2026-46141 is a medium-severity vulnerability affecting linux linux_kernel. 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 and patches from linux. Update linux_kernel to the latest patched version. 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's AI-powered security agents can automatically detect CVE-2026-46141 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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