REDHAT-BUG-2486958: High severity Arm C1-ultra vulnerability

Published Jun 9, 2026
·
Updated

Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A76 & A76A may allow writes to resources owned by a higher exception level.

Affected Software

17 affected components
Arm C1-ultra
Arm C1-premium
Arm Neoverse V3 & V3AE
Arm Neoverse V2
Arm Neoverse V1
Arm Neoverse-n2
Arm Neoverse-N1
Arm Cortex-x925
Arm Cortex-x4
Arm Cortex-x3
Arm Cortex-x2
Arm Cortex-X1 & X1C
Arm Cortex-a710
Arm Cortex-a78
Arm A78AE & A78C
Arm Cortex-A77
Arm Cortex-A76 & A76A

Event History

Jun 9, 2026
Data Sourced
via Red Hat·11:01 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2486958?

The severity of REDHAT-BUG-2486958 is high with a rating of 7.

2

How do I fix REDHAT-BUG-2486958?

To fix REDHAT-BUG-2486958, apply the latest security patches released by Red Hat for the affected Arm architectures.

3

What devices are affected by REDHAT-BUG-2486958?

Affected devices include Arm C1-Ultra, C1-Premium, various Neoverse models, and multiple Cortex processors.

4

What type of vulnerability is REDHAT-BUG-2486958?

REDAHT-BUG-2486958 is a vulnerability that may allow writes to resources owned by a higher exception level.

5

When was REDHAT-BUG-2486958 published?

REDAHT-BUG-2486958 was published on June 9, 2026.

Contact

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