What’s Vulnerable › Vulnerabilities

CVE-2023-54215: virtio-vdpa: Fix cpumask memory leak in virtio_vdpa_find_vqs()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-30 · updated 2026-10-28

Description

In the Linux kernel, the following vulnerability has been resolved: virtio-vdpa: Fix cpumask memory leak in virtio_vdpa_find_vqs() Free the cpumask allocated by create_affinity_masks() before returning from the function.

Affected products

• Linux kernel: 6.4 — fixed in 6.5

How to fix

Upgrade to a fixed version: Linux kernel 6.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/df9557046440b0a62250fee3169a8f6a139f55a6
• https://git.kernel.org/stable/c/fa450621efab58121fe8e57f7a7b80fee6e0bae1

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