CVE-2023-28464

moderate-risk
Published 2023-03-31

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.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (14)

Affected Vendors

Linux Netapp

References (8)

Mailing List https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm%40gmail.com/
Third Party Advisory https://security.netapp.com/advisory/ntap-20230517-0004/
Mailing List https://www.openwall.com/lists/oss-security/2023/03/28/2
Mailing List https://www.openwall.com/lists/oss-security/2023/03/28/3
Mailing List https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm%40gmail.com/
Third Party Advisory https://security.netapp.com/advisory/ntap-20230517-0004/
Mailing List https://www.openwall.com/lists/oss-security/2023/03/28/2
Mailing List https://www.openwall.com/lists/oss-security/2023/03/28/3
42
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 18/34 · Moderate