Bug 2426242 (CVE-2022-50852)

Summary: CVE-2022-50852 kernel: wifi: mt76: mt7921: fix use after free in mt7921_acpi_read()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2025-12-30 13:18:51 UTC 
In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: mt7921: fix use after free in mt7921_acpi_read()

Don't dereference "sar_root" after it has been freed.
Comment 1 Alexander B 2025-12-30 22:43:59 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123045-CVE-2022-50852-978e@gregkh/T