CVE-2024-41037: linux kernel Null Dereference — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda: fix null deref on system suspend entry When system enters suspend with an active stream, SOF core calls hw_params_upon_resume(). On Intel platforms with HDA DMA used to manage the link DMA, this leads to call chain of hda_dsp_set_hw_params_upon_resume() -> hda_dsp_dais_suspend() -> hda_dai_suspend() -> hda_ipc4_post_trigger() A bug is hit in hda_dai_suspend() as hda_link_dma_cleanup() is run first, which clears hext_stream->link_substream, and then hda_ipc4_post_trigger() is called with a NULL snd_pcm_substream pointer.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.4 — 6.6.41
linux	linux_kernel	6.7 — 6.9.10

References

Advisories & Patches

https://git.kernel.org/stable/c/8246bbf818ed7b8d5afc92b951e6d562b45c2450 https://git.kernel.org/stable/c/9065693dcc13f287b9e4991f43aee70cf5538fdd https://git.kernel.org/stable/c/993af0f2d9f24e3c18a445ae22b34190d1fcad61 https://git.kernel.org/stable/c/8246bbf818ed7b8d5afc92b951e6d562b45c2450 https://git.kernel.org/stable/c/9065693dcc13f287b9e4991f43aee70cf5538fdd https://git.kernel.org/stable/c/993af0f2d9f24e3c18a445ae22b34190d1fcad61

Frequently Asked Questions

What is CVE-2024-41037? +

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda: fix null deref on system suspend entry When system enters suspend with an active stream, SOF core calls hw_params_upon_resume(). On Intel platforms with HDA DMA used to manage the link DMA, this leads to call chain of hda_dsp_set_hw_params_upon_resume() -> hda_dsp_dais_suspend() -> hda_dai_suspend() -> hda_ipc4_post_trigger() A bug is hit in hda_dai_suspend() as hda_link_dma_cleanup() is run first, which clears hext_stream->link_substream, and then hda_ipc4_post_trigger() is called with a NULL snd_pcm_substream pointer. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-41037? +

CVE-2024-41037 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-41037? +

CVE-2024-41037 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-41037? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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