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CVE-2026-89943

HIGHCVSS 8.4/10

Last modified

CVE-2026-89943 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: ASoC: loongson: Fix error handling in ACPI property parsing In loongson_card_parse_acpi(), the return value of device_property_read_string() for the `codec-dai-name` property was ignored. If the property is missing or invalid, an uninitialized pointer would be used later, potentially leading to undefined behavior. Fix this by checking the return value and propagating the error appropriately..

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: loongson: Fix error handling in ACPI property parsing In loongson_card_parse_acpi(), the return value of device_property_read_string() for the `codec-dai-name` property was ignored. If the property is missing or invalid, an uninitialized pointer would be used later, potentially leading to undefined behavior. Fix this by checking the return value and propagating the error appropriately.

Metrics

CVSS 3.1
8.4/10

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

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= ddb538a3004b10a04a14a0d275c5f52a8d161e80, < 682c123cef455545f48ecbe74b3872fa303bf58f; >= ddb538a3004b10a04a14a0d275c5f52a8d161e80, < 4e580d84a638f007b5b68d50d7633de502f325e7; >= ddb538a3004b10a04a14a0d275c5f52a8d161e80, < bb1602908c67db7197ab001638573262bccc6ca2; >= ddb538a3004b10a04a14a0d275c5f52a8d161e80, < 0eb0e3c623ac1da8b85d518043fef7660af7805d
LinuxLinux6.12

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-89943?
In the Linux kernel, the following vulnerability has been resolved: ASoC: loongson: Fix error handling in ACPI property parsing In loongson_card_parse_acpi(), the return value of device_property_read_string() for the `codec-dai-name` property was ignored. If the property is missing or invalid, an uninitialized pointer would be used later, potentially leading to undefined behavior. Fix this by checking the return value and propagating the error appropriately.
How severe is CVE-2026-89943?
CVE-2026-89943 has a CVSS score of 8.4/10 (HIGH severity).
How do I fix CVE-2026-89943?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST