What’s Vulnerable › Vulnerabilities

CVE-2024-53180: ALSA: pcm: Add sanity NULL check for the default mmap fault handler

• 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: 2024-12-27 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Add sanity NULL check for the default mmap fault handler A driver might allow the mmap access before initializing its runtime->dma_area properly. Add a proper NULL check before passing to virt_to_page() for avoiding a panic.

Affected products

• Linux kernel: before 5.15.174; from 5.16 before 6.1.120; from 6.2 before 6.6.64; from 6.7 before 6.11.11; from 6.12 before 6.12.2 — fixed in 5.15.174, 6.1.120, 6.11.11, 6.12.2, 6.6.64

How to fix

Upgrade to a fixed version: Linux kernel 5.15.174, 6.1.120, 6.11.11, 6.12.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0c4c9bf5eab7bee6b606f2abb0993e933b5831a0
• https://git.kernel.org/stable/c/832efbb74b1578e3737d593a204d42af8bd1b81b
• https://git.kernel.org/stable/c/8799f4332a9fd812eadfbc32fc5104d6292f754f
• https://git.kernel.org/stable/c/bc200027ee92fba84f1826494735ed675f3aa911
• https://git.kernel.org/stable/c/d2913a07d9037fe7aed4b7e680684163eaed6bc4
• https://git.kernel.org/stable/c/f0ce9e24eff1678c16276f9717f26a78202506a2
• https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

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