CVE-2023-28464

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.

• CWE-415

• 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

Published

Mar 31, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2023-28458pretalx 2.3.1 before 2.3.2 allows path traversal in HTML exp…4.3
• CVE-2023-28459pretalx 2.3.1 before 2.3.2 allows path traversal in HTML exp…6.5
• CVE-2023-2846Authentication Bypass by Capture-replay vulnerability in Mit…9.1
• CVE-2023-28460A command injection vulnerability was discovered in Array Ne…7.2
• CVE-2023-28461Array Networks Array AG Series and vxAG (9.4.0.481 and earli…9.8
• CVE-2023-28462A JNDI rebind operation in the default ORB listener in Payar…9.8
• CVE-2023-28465The package-decompression feature in HL7 (Health Level 7) FH…7.5
• CVE-2023-28466do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel …7
• CVE-2023-28467In MyBB before 1.8.34, there is XSS in the User CP module vi…6.1
• CVE-2023-28468An issue was discovered in FvbServicesRuntimeDxe in Insyde I…6.5
• CVE-2023-28469An issue was discovered in the Arm Mali GPU Kernel Driver. A…5.5
• CVE-2023-2847 During internal security analysis, a local privilege escala…7.8