What’s Vulnerable › Vulnerabilities

CVE-2023-28464

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-31 · updated 2026-06-17
• Weakness: CWE-415

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 products

• Linux kernel: 6.1.25, 6.2.12, 6.3, 6.3-rc1, 6.3-rc2, 6.3-rc3 (+3)
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700S Firmware: all versions

References

• https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm%40gmail.com/
• https://security.netapp.com/advisory/ntap-20230517-0004/
• https://www.openwall.com/lists/oss-security/2023/03/28/2
• https://www.openwall.com/lists/oss-security/2023/03/28/3
• https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm%40gmail.com/
• https://security.netapp.com/advisory/ntap-20230517-0004/
• https://www.openwall.com/lists/oss-security/2023/03/28/2
• https://www.openwall.com/lists/oss-security/2023/03/28/3

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