CVE-2023-53266
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Fix possible memory leak of ffh_ctxt Allocated 'ffh_ctxt' memory leak is possible if the SMCCC version and conduit checks fail and -EOPNOTSUPP is returned without freeing the allocated memory. Fix the same by moving the allocation after the SMCCC version and conduit checks.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 16, 2025
First seenSep 16, 2025
Weakness typeCWE-401CWE-401
How to fix
Update
- linux linux_kernel6.2.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.2 ≤ v < 6.2.3 | 6.2.3 |
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