CVE-2023-53266

arm64: acpi: Fix possible memory leak of ffh_ctxt

Medium · published September 16, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
3.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00140 · 3.1th percentile
Published
2025-09-16T08:06Z
EPSS history
Timeline
  • 16 SEP 08:06Z
    arm64: acpi: Fix possible memory leak of ffh_ctxt
    cvelistv5