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Medium severity5.5NVD Advisory· Published Sep 16, 2025· Updated Jun 17, 2026

CVE-2023-53266

CVE-2023-53266

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.

Affected products

4
  • Linux/Kernel3 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.2,<6.2.3
    • (no CPE)
    • (no CPE)range: 6.2
  • osv-coords
    pkg:linux/kernel
    Range: >= 6.2.0, < 6.2.3

Patches

Vulnerability mechanics

References

2

News mentions

0

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