CVE-2025-0647

I

n certain Arm CPUs, a CPP RCTX instruction executed on one Processing Element (PE) may inhibit TLB invalidation when a TLBI is issued to the PE, either by the same PE or another PE in the shareability domain. In this case, the PE may retain stale TLB entries which should have been invalidated by the TLBI.

References
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:arm:c1-ultra_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:c1-ultra:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:arm:c1-premium_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:c1-premium:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:arm:cortex-a710_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-a710:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:arm:cortex-x2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-x2:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:arm:cortex-x3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-x3:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:arm:cortex-x4_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-x4:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:arm:cortex-x925_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-x925:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:arm:neoverse-v2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:neoverse-v2:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:arm:neoverse-v3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:neoverse-v3:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:arm:neoverse-v3ae_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:neoverse-v3ae:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:arm:neoverse-n2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:neoverse-n2:-:*:*:*:*:*:*:*

History

26 Jan 2026, 19:40

Type Values Removed Values Added
CPE cpe:2.3:o:arm:neoverse-v3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-x4:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:c1-ultra:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:neoverse-v2:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-x925:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:cortex-x925_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:c1-ultra_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:neoverse-v3ae_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:neoverse-n2:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-x2:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:cortex-a710_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:neoverse-v3ae:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-x3:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:neoverse-v2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:neoverse-v3:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:c1-premium:-:*:*:*:*:*:*:*
cpe:2.3:h:arm:cortex-a710:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:cortex-x2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:c1-premium_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:cortex-x3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:neoverse-n2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:arm:cortex-x4_firmware:-:*:*:*:*:*:*:*
First Time Arm neoverse-v3ae Firmware
Arm c1-premium Firmware
Arm neoverse-v2
Arm c1-premium
Arm c1-ultra Firmware
Arm cortex-x925 Firmware
Arm cortex-x2 Firmware
Arm cortex-x925
Arm
Arm neoverse-v3
Arm cortex-x4
Arm cortex-a710
Arm cortex-x4 Firmware
Arm c1-ultra
Arm neoverse-n2
Arm neoverse-v3 Firmware
Arm cortex-a710 Firmware
Arm neoverse-v3ae
Arm cortex-x2
Arm neoverse-v2 Firmware
Arm neoverse-n2 Firmware
Arm cortex-x3
Arm cortex-x3 Firmware
References () https://developer.arm.com/documentation/111546 - () https://developer.arm.com/documentation/111546 - Vendor Advisory
References () https://graph.volerion.com/view?ID=CVE-2025-0647 - () https://graph.volerion.com/view?ID=CVE-2025-0647 - Third Party Advisory

20 Jan 2026, 16:16

Type Values Removed Values Added
References
  • () https://graph.volerion.com/view?ID=CVE-2025-0647 -
CVSS v2 : unknown
v3 : 5.4
v2 : unknown
v3 : 7.9

15 Jan 2026, 21:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.4

14 Jan 2026, 11:15

Type Values Removed Values Added
New CVE