CVE-2023-53395

ACPICA: Add AML_NO_OPERAND_RESOLVE flag to Timer

High · published September 18, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
4.5
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

ACPICA: Add AML_NO_OPERAND_RESOLVE flag to Timer

ACPICA commit 90310989a0790032f5a0140741ff09b545af4bc5

According to the ACPI specification 19.6.134, no argument is required to be passed for ASL Timer instruction. For taking care of no argument, AML_NO_OPERAND_RESOLVE flag is added to ASL Timer instruction opcode.

When ASL timer instruction interpreted by ACPI interpreter, getting error. After adding AML_NO_OPERAND_RESOLVE flag to ASL Timer instruction opcode, issue is not observed.

=============================================================

UBSAN: array-index-out-of-bounds in acpica/dswexec.c:401:12 index -1 is out of range for type 'union acpi_operand_object *[9]'

CPU: 37 PID: 1678 Comm: cat Not tainted

6.0.0-dev-th500-6.0.y-1+bcf8c46459e407-generic-64k

HW name: NVIDIA BIOS v1.1.1-d7acbfc-dirty 12/19/2022 Call trace:

dump_backtrace+0xe0/0x130

show_stack+0x20/0x60

dump_stack_lvl+0x68/0x84

dump_stack+0x18/0x34

ubsan_epilogue+0x10/0x50

__ubsan_handle_out_of_bounds+0x80/0x90

acpi_ds_exec_end_op+0x1bc/0x6d8

acpi_ps_parse_loop+0x57c/0x618

acpi_ps_parse_aml+0x1e0/0x4b4

acpi_ps_execute_method+0x24c/0x2b8

acpi_ns_evaluate+0x3a8/0x4bc

acpi_evaluate_object+0x15c/0x37c

acpi_evaluate_integer+0x54/0x15c

show_power+0x8c/0x12c [acpi_power_meter]

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00157 · 4.5th percentile
Published
2025-09-18T13:33Z
EPSS history
Timeline
  • 18 SEP 13:33Z
    ACPICA: Add AML_NO_OPERAND_RESOLVE flag to Timer
    cvelistv5