Bug 2426242 (CVE-2022-50852) - CVE-2022-50852 kernel: wifi: mt76: mt7921: fix use after free in mt7921_acpi_read()
Summary: CVE-2022-50852 kernel: wifi: mt76: mt7921: fix use after free in mt7921_acpi_...
Keywords:
Status: NEW
Alias: CVE-2022-50852
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-30 13:18 UTC by OSIDB Bzimport
Modified: 2026-01-06 19:58 UTC (History)
0 users

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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
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