UBUNTU-CVE-2024-26801
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Avoid potential use-after-free in hci_error_reset While handling the HCI_EV_HARDWARE_ERROR event, if the underlying BT controller is not responding, the GPIO reset mechanism would free the hci_dev and lead to a use-after-free in hci_error_reset. Here's the call trace observed on a ChromeOS device with Intel AX201: queue_work_on+0x3e/0x6c __hci_cmd_sync_sk+0x2ee/0x4c0 [bluetooth <HASH:3b4a6>] ? init_wait_entry+0x31/0x31 __hci_cmd_sync+0x16/0x20 [bluetooth <HASH:3b4a 6>] hci_error_reset+0x4f/0xa4 [bluetooth <HASH:3b4a 6>] process_one_work+0x1d8/0x33f worker_thread+0x21b/0x373 kthread+0x13a/0x152 ? pr_cont_work+0x54/0x54 ? kthread_blkcg+0x31/0x31 ret_from_fork+0x1f/0x30 This patch holds the reference count on the hci_dev while processing a HCI_EV_HARDWARE_ERROR event to avoid potential crash.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
76 explicit affected versions
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1 explicit affected versions
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6 explicit affected versions
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43 explicit affected versions
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38 explicit affected versions
6 explicit affected versions
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35 explicit affected versions
5 explicit affected versions
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33 explicit affected versions
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13 explicit affected versions
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96 explicit affected versions
1 explicit affected versions
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43 explicit affected versions
7 explicit affected versions
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12 explicit affected versions
9 explicit affected versions
7 explicit affected versions
91 explicit affected versions
99 explicit affected versions
12 explicit affected versions
87 explicit affected versions
10 explicit affected versions
10 explicit affected versions
162 explicit affected versions
37 explicit affected versions
95 explicit affected versions
8 explicit affected versions
29 explicit affected versions
26 explicit affected versions
13 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
29 explicit affected versions
80 explicit affected versions
13 explicit affected versions
49 explicit affected versions
1 explicit affected versions
75 explicit affected versions
47 explicit affected versions
91 explicit affected versions
9 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
89 explicit affected versions
11 explicit affected versions
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7 explicit affected versions
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90 explicit affected versions
2 explicit affected versions
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10 explicit affected versions
26 explicit affected versions
25 explicit affected versions
1 explicit affected versions
13 explicit affected versions
112 explicit affected versions
51 explicit affected versions
8 explicit affected versions
49 explicit affected versions
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49 explicit affected versions
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3 explicit affected versions
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1 explicit affected versions
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56 explicit affected versions
8 explicit affected versions
65 explicit affected versions
2 explicit affected versions
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35 explicit affected versions
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27 explicit affected versions
21 explicit affected versions
1 explicit affected versions
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10 explicit affected versions
5 explicit affected versions
8 explicit affected versions
1 explicit affected versions
10 explicit affected versions
79 explicit affected versions
13 explicit affected versions
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7 explicit affected versions
67 explicit affected versions
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10 explicit affected versions
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12 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
35 explicit affected versions
37 explicit affected versions
9 explicit affected versions
38 explicit affected versions
39 explicit affected versions
9 explicit affected versions
38 explicit affected versions
11 explicit affected versions
139 explicit affected versions
46 explicit affected versions
8 explicit affected versions
7 explicit affected versions
20 explicit affected versions
72 explicit affected versions
50 explicit affected versions
116 explicit affected versions
95 explicit affected versions
4 explicit affected versions
1 explicit affected versions
44 explicit affected versions
88 explicit affected versions
9 explicit affected versions
43 explicit affected versions
44 explicit affected versions
119 explicit affected versions
139 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
79 explicit affected versions
4 explicit affected versions
68 explicit affected versions
6 explicit affected versions
1 explicit affected versions
42 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Avoid potential use-after-free in hci_error_reset While handling the HCI_EV_HARDWARE_ERROR event, if the underlying BT controller is not responding, the GPIO reset mechanism would free the hci_dev and lead to a use-after-free in hci_error_reset. Here's the call trace observed on a ChromeOS device with Intel AX201: queue_work_on+0x3e/0x6c __hci_cmd_sync_sk+0x2ee/0x4c0 [bluetooth <HASH:3b4a6>] ? init_wait_entry+0x31/0x31 __hci_cmd_sync+0x16/0x20 [bluetooth <HASH:3b4a 6>] hci_error_reset+0x4f/0xa4 [bluetooth <HASH:3b4a 6>] process_one_work+0x1d8/0x33f worker_thread+0x21b/0x373 kthread+0x13a/0x152 ? pr_cont_work+0x54/0x54 ? kthread_blkcg+0x31/0x31 ret_from_fork+0x1f/0x30 This patch holds the reference count on the hci_dev while processing a HCI_EV_HARDWARE_ERROR event to avoid potential crash.
05 / REFERENCES
Further evidence
- https://git.kernel.org/stable/c/2449007d3f73b2842c9734f45f0aadb522daf592
- https://git.kernel.org/stable/c/2ab9a19d896f5a0dd386e1f001c5309bc35f433b
- https://git.kernel.org/stable/c/45085686b9559bfbe3a4f41d3d695a520668f5e1
- https://git.kernel.org/stable/c/6dd0a9dfa99f8990a08eb8fdd8e79bee31c7d8e2
- https://git.kernel.org/stable/c/98fb98fd37e42fd4ce13ff657ea64503e24b6090
- https://git.kernel.org/stable/c/da4569d450b193e39e87119fd316c0291b585d14
- https://git.kernel.org/stable/c/dd594cdc24f2e48dab441732e6dfcafd6b0711d1
- https://git.kernel.org/stable/c/e0b278650f07acf2e0932149183458468a731c03
- https://ubuntu.com/security/CVE-2024-26801
- https://ubuntu.com/security/notices/USN-6774-1
- https://ubuntu.com/security/notices/USN-6777-1
- https://ubuntu.com/security/notices/USN-6777-2
- https://ubuntu.com/security/notices/USN-6777-3
- https://ubuntu.com/security/notices/USN-6777-4
- https://ubuntu.com/security/notices/USN-6778-1
- https://ubuntu.com/security/notices/USN-6820-1
- https://ubuntu.com/security/notices/USN-6820-2
- https://ubuntu.com/security/notices/USN-6821-1
- https://ubuntu.com/security/notices/USN-6821-2
- https://ubuntu.com/security/notices/USN-6821-3
- https://ubuntu.com/security/notices/USN-6821-4
- https://ubuntu.com/security/notices/USN-6828-1
- https://ubuntu.com/security/notices/USN-6831-1
- https://ubuntu.com/security/notices/USN-6867-1
- https://ubuntu.com/security/notices/USN-6871-1
- https://ubuntu.com/security/notices/USN-6892-1
- https://ubuntu.com/security/notices/USN-6919-1
- https://www.cve.org/CVERecord?id=CVE-2024-26801