What’s Vulnerable › Vulnerabilities

CVE-2024-41052: vfio/pci: Init the count variable in collecting hot-reset devices

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-29 · updated 2026-06-17
• Weakness: CWE-908

Description

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Init the count variable in collecting hot-reset devices The count variable is used without initialization, it results in mistakes in the device counting and crashes the userspace if the get hot reset info path is triggered.

Affected products

• Linux kernel: from 6.6.36 before 6.6.41; from 6.9.7 before 6.9.10 — fixed in 6.6.41, 6.9.10

How to fix

Upgrade to a fixed version: Linux kernel 6.6.41, 6.9.10. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/5a88a3f67e37e39f933b38ebb4985ba5822e9eca
• https://git.kernel.org/stable/c/f44136b9652291ac1fc39ca67c053ac624d0d11b
• https://git.kernel.org/stable/c/f476dffc52ea70745dcabf63288e770e50ac9ab3
• https://git.kernel.org/stable/c/5a88a3f67e37e39f933b38ebb4985ba5822e9eca
• https://git.kernel.org/stable/c/f44136b9652291ac1fc39ca67c053ac624d0d11b
• https://git.kernel.org/stable/c/f476dffc52ea70745dcabf63288e770e50ac9ab3

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