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.

References

https://git.kernel.org/stable/c/7521da2eb42d65f89f511b7912d3757cf3d9168a

https://git.kernel.org/stable/c/1b561d3949f8478c5403c9752b5533211a757226

Details

Source: Mitre, NVD

Published: 2025-09-16

Updated: 2026-01-14

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018