What’s Vulnerable › Vulnerabilities

CVE-2023-52459: media: v4l: async: Fix duplicated list deletion

• Severity: medium (CVSS 5.5 v3.1)
• 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: 2024-02-23 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: media: v4l: async: Fix duplicated list deletion The list deletion call dropped here is already called from the helper function in the line before. Having a second list_del() call results in either a warning (with CONFIG_DEBUG_LIST=y): list_del corruption, c46c8198->next is LIST_POISON1 (00000100) If CONFIG_DEBUG_LIST is disabled the operation results in a kernel error due to NULL pointer dereference.

Affected products

• Linux kernel: from 6.6.0 before 6.6.14; from 6.7.0 before 6.7.2 — fixed in 6.6.14, 6.7.2

How to fix

Upgrade to a fixed version: Linux kernel 6.6.14, 6.7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3de6ee94aae701fa949cd3b5df6b6a440ddfb8f2
• https://git.kernel.org/stable/c/49d82811428469566667f22749610b8c132cdb3e
• https://git.kernel.org/stable/c/b7062628caeaec90e8f691ebab2d70f31b7b6b91
• https://git.kernel.org/stable/c/3de6ee94aae701fa949cd3b5df6b6a440ddfb8f2
• https://git.kernel.org/stable/c/49d82811428469566667f22749610b8c132cdb3e
• https://git.kernel.org/stable/c/b7062628caeaec90e8f691ebab2d70f31b7b6b91

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