UBUNTU-CVE-2024-42132
In the Linux kernel, the following vulnerability has been resolved: bluetooth/hci: disallow setting handle bigger than HCI_CONN_HANDLE_MAX Syzbot hit warning in hci_conn_del() caused by freeing handle that was not allocated using ida allocator. This is caused by handle bigger than HCI_CONN_HANDLE_MAX passed by hci_le_big_sync_established_evt(), which makes code think it's unset connection. Add same check for handle upper bound as in hci_conn_set_handle() to prevent warning.
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
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5 explicit affected versions
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11 explicit affected versions
13 explicit affected versions
13 explicit affected versions
7 explicit affected versions
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26 explicit affected versions
37 explicit affected versions
15 explicit affected versions
14 explicit affected versions
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9 explicit affected versions
11 explicit affected versions
6 explicit affected versions
7 explicit affected versions
4 explicit affected versions
13 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
10 explicit affected versions
14 explicit affected versions
4 explicit affected versions
11 explicit affected versions
1 explicit affected versions
8 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: bluetooth/hci: disallow setting handle bigger than HCI_CONN_HANDLE_MAX Syzbot hit warning in hci_conn_del() caused by freeing handle that was not allocated using ida allocator. This is caused by handle bigger than HCI_CONN_HANDLE_MAX passed by hci_le_big_sync_established_evt(), which makes code think it's unset connection. Add same check for handle upper bound as in hci_conn_set_handle() to prevent warning.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/1cc18c2ab2e8c54c355ea7c0423a636e415a0c23
- https://git.kernel.org/stable/c/1cc18c2ab2e8c54c355ea7c0423a636e415a0c23
- https://git.kernel.org/stable/c/4970e48f83dbd21d2a6a7cdaaafc2a71f7f45dc4
- https://git.kernel.org/stable/c/d311036696fed778301d08a71a4bef737b86d8c5
- https://ubuntu.com/security/CVE-2024-42132
- https://ubuntu.com/security/notices/USN-7089-1
- https://ubuntu.com/security/notices/USN-7089-2
- https://ubuntu.com/security/notices/USN-7089-3
- https://ubuntu.com/security/notices/USN-7089-4
- https://ubuntu.com/security/notices/USN-7089-5
- https://ubuntu.com/security/notices/USN-7089-6
- https://ubuntu.com/security/notices/USN-7089-7
- https://ubuntu.com/security/notices/USN-7090-1
- https://ubuntu.com/security/notices/USN-7095-1
- https://ubuntu.com/security/notices/USN-7156-1
- https://www.cve.org/CVERecord?id=CVE-2024-42132