What’s Vulnerable › Vulnerabilities

CVE-2023-53993: PCI/DOE: Fix memory leak with CONFIG_DEBUG_OBJECTS=y

• 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: 2025-12-24 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fix memory leak with CONFIG_DEBUG_OBJECTS=y After a pci_doe_task completes, its work_struct needs to be destroyed to avoid a memory leak with CONFIG_DEBUG_OBJECTS=y.

Affected products

• Linux kernel: 6.0 — fixed in 6.3

How to fix

Upgrade to a fixed version: Linux kernel 6.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2a0e0f4773fe8032fb17e56f897bee32ce3cdc2b
• https://git.kernel.org/stable/c/95628b830952943631d3d74f73f431f501c5d6f5
• https://git.kernel.org/stable/c/abf04be0e7071f2bcd39bf97ba407e7d4439785e

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