VulnerabilityModified
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.
HIGH 7.8EPSS 0.27%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.27% probability · 20th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- linux/linux kernel · netapp/h300s firmware · netapp/h410c firmware · netapp/h410s firmware · netapp/h500s firmware · netapp/h700s firmware
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.