CVE-2023-28464

HIGH
7.8
CVSS Score
Published: March 31, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:47 AM UTC
6 products affected across 2 vendorsLinux KernelH700S FirmwareH410S Firmware

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%

Description

hci_conn_cleanup in net/bluetooth/hci_conn.c in the Linux kernel through 6.2.9 has a use-after-free (observed in hci_conn_hash_flush) because of calls to hci_dev_put and hci_conn_put. There is a double free that may lead to privilege escalation.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-415

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