What’s Vulnerable › Vulnerabilities

CVE-2023-54231: net: libwx: fix memory leak in wx_setup_rx_resources

• 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: net: libwx: fix memory leak in wx_setup_rx_resources When wx_alloc_page_pool() failed in wx_setup_rx_resources(), it doesn't release DMA buffer. Add dma_free_coherent() in the error path to release the DMA buffer.

Affected products

• Linux kernel: 6.3 — fixed in 6.4

How to fix

Upgrade to a fixed version: Linux kernel 6.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2371e1ecd445baf793a74db00ea6b2a2bc13c4c0
• https://git.kernel.org/stable/c/e315e7b83a22043bffee450437d7089ef373cbf6

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