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CVE-2026-53348

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: fix NULL pointer dereference in sdca_dev_unregister_functions sdca_dev_unregister_functions() iterates over all SDC…

Published Jul 1, 2026CWE-476EPSS 0.12%

Overview

CVE-2026-53348 is a medium-severity vulnerability. It was published on July 1, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

ASoC: SDCA: fix NULL pointer dereference in sdca_dev_unregister_functions

sdca_dev_unregister_functions() iterates over all SDCA function

descriptors and calls sdca_dev_unregister() on each func_dev without

checking for NULL. When a function registration has failed partway

through, or the device cleanup races with probe deferral, func_dev

entries may be NULL, leading to a kernel oops:

BUG: kernel NULL pointer dereference, address: 0000000000000040

RIP: 0010:device_del+0x1e/0x3e0

Call Trace:

sdca_dev_unregister_functions+0x37/0x60 [snd_soc_sdca]

release_nodes+0x35/0xb0

devres_release_all+0x90/0x100

device_unbind_cleanup+0xe/0x80

device_release_driver_internal+0x1c1/0x200

bus_remove_device+0xc6/0x130

device_del+0x161/0x3e0

device_unregister+0x17/0x60

sdw_delete_slave+0xb6/0xd0 [soundwire_bus]

sdw_bus_master_delete+0x1e/0x50 [soundwire_bus]

...

sof_probe_work+0x19/0x30 [snd_sof

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/9a4895059bb6a8505098a9f75de187fd15631fc8Refgit.kernel.org/stable/c/e4c60a1d4b6ccc66aefb3789cd908d4f9482eefd

How CyberStrike helps

Frequently asked questions

What is CVE-2026-53348?

CVE-2026-53348 is a medium-severity vulnerability. It was published on July 1, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-53348?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-53348?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-53348?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-53348 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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