CVE-2026-64539: Bluetooth: eir: Fix stack OOB write when prepending the Flags AD
Published Jul 27, 2026
·Updated
Bluetooth: eir: Fix stack OOB write when prepending the Flags AD
Affected Software
1 affected component
Linux Kernel Bluetooth EIR (eir_create_adv_data)
Event History
Jul 27, 2026
CVE Published
via MITRE·08:10 PM
Data Sourced
via MITRE·08:10 PM
DescriptionSeverity
Data Sourced
via NVD·09:17 PM
DescriptionSeverity
Aug 11, 2026
Data Sourced
via Microsoft·08:03 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-64539?
CVE-2026-64539 has a severity rating of high, with a CVSS score of 7.8.
2
How do I fix CVE-2026-64539?
To fix CVE-2026-64539, update your Linux Kernel to the latest version that addresses this vulnerability.
3
What are the potential impacts of CVE-2026-64539?
CVE-2026-64539 can lead to a stack out-of-bounds write, potentially compromising the integrity and availability of the system.
4
Which software is affected by CVE-2026-64539?
CVE-2026-64539 specifically affects the Bluetooth EIR implementation in the Linux Kernel.
5
When was CVE-2026-64539 published?
CVE-2026-64539 was published on July 27, 2026.