CVE-2025-39892 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 1

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-core: care NULL dirver name on snd_soc_lookup_component_nolocked() soc-generic-dmaengine-pcm.c uses same dev for both CPU and Platform. In such case, CPU component driver might not have driver->name, then snd_soc_lookup_component_nolocked() will be NULL pointer access error. Care NULL driver name. Call trace: strcmp from snd_soc_lookup_component_nolocked+0x64/0xa4 snd_soc_lookup_component_nolocked from snd_soc_unreg…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel6.16 — 6.16.6+1
▶Debianlinux/linux_kernel< 6.16.6-1
▶CVEListV5linux/linux144d6dfc7482455eabf8e8caa974a6e8d9572705 — 1d282dcd46d972be338085ae9e217462b366ce6e+2
▶debiandebian/linux< linux 6.16.6-1 (forky)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2025-39892: In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-core: care NULL dirver name on snd_soc_lookup_component_nolocked() soc-g↗2025-10-01
▶
GHSA
GHSA-6mp7-7x6g-jprp: In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-core: care NULL dirver name on snd_soc_lookup_component_nolocked() soc↗2025-10-01
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📋Vendor Advisories

2
Red Hat
kernel: ASoC: soc-core: care NULL dirver name on snd_soc_lookup_component_nolocked()↗2025-10-01
▶
Debian
CVE-2025-39892: linux - In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-c...↗2025
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CVE-2025-39892 — NULL Pointer Dereference in Linux | cvebase