CVE-2023-28464

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-415

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm%40gmail.com/Mailing List, Patch
https://security.netapp.com/advisory/ntap-20230517-0004/Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/03/28/2Mailing List, Patch
https://www.openwall.com/lists/oss-security/2023/03/28/3Mailing List
https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm%40gmail.com/Mailing List, Patch
https://security.netapp.com/advisory/ntap-20230517-0004/Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/03/28/2Mailing List, Patch
https://www.openwall.com/lists/oss-security/2023/03/28/3Mailing List

Timeline

Published: Mar 31, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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