What’s Vulnerable › Vulnerabilities

CVE-2022-48992: ASoC: soc-pcm: Add NULL check in BE reparenting

• 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: 2024-10-21 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-pcm: Add NULL check in BE reparenting Add NULL check in dpcm_be_reparent API, to handle kernel NULL pointer dereference error. The issue occurred in fuzzing test.

Affected products

• Linux kernel: before 4.9.336; from 4.10 before 4.14.302; from 4.15 before 4.19.269; from 4.20 before 5.4.227; from 5.5 before 5.10.159; from 5.11 before 5.15.83 — fixed in 4.14.302, 4.19.269, 4.9.336, 5.10.159, 5.15.83, 5.4.227

How to fix

Upgrade to a fixed version: Linux kernel 4.14.302, 4.19.269, 4.9.336, 5.10.159. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0760acc2e6598ad4f7bd3662db2d907ef0838139
• https://git.kernel.org/stable/c/34a9796bf0684bfd54e96a142560d560c21c983b
• https://git.kernel.org/stable/c/9f74b9aa8d58c18927bb9b65dd5ba70a5fd61615
• https://git.kernel.org/stable/c/d4dd21a79dbb862d2ebcf9ed90e646416009ff0d
• https://git.kernel.org/stable/c/db8f91d424fe0ea6db337aca8bc05908bbce1498
• https://git.kernel.org/stable/c/e7166d6821c15f3516bcac8ae3f155924da1908c
• https://git.kernel.org/stable/c/f2ba66d8738584d124aff4e760ed1337f5f6dfb6
• https://git.kernel.org/stable/c/f6f45e538328df9ce66aa61bafee1a5717c4b700

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