UBUNTU-CVE-2022-48836
In the Linux kernel, the following vulnerability has been resolved: Input: aiptek - properly check endpoint type Syzbot reported warning in usb_submit_urb() which is caused by wrong endpoint type. There was a check for the number of endpoints, but not for the type of endpoint. Fix it by replacing old desc.bNumEndpoints check with usb_find_common_endpoints() helper for finding endpoints Fail log: usb 5-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 2 PID: 48 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502 Modules linked in: CPU: 2 PID: 48 Comm: kworker/2:2 Not tainted 5.17.0-rc6-syzkaller-00226-g07ebd38a0da2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: usb_hub_wq hub_event ... Call Trace: <TASK> aiptek_open+0xd5/0x130 drivers/input/tablet/aiptek.c:830 input_open_device+0x1bb/0x320 drivers/input/input.c:629 kbd_connect+0xfe/0x160 drivers/tty/vt/keyboard.c:1593
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
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191 explicit affected versions
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100 explicit affected versions
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5 explicit affected versions
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1 explicit affected versions
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50 explicit affected versions
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10 explicit affected versions
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26 explicit affected versions
13 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
77 explicit affected versions
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1 explicit affected versions
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51 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
62 explicit affected versions
11 explicit affected versions
12 explicit affected versions
85 explicit affected versions
7 explicit affected versions
12 explicit affected versions
49 explicit affected versions
2 explicit affected versions
6 explicit affected versions
46 explicit affected versions
10 explicit affected versions
26 explicit affected versions
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51 explicit affected versions
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12 explicit affected versions
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5 explicit affected versions
40 explicit affected versions
8 explicit affected versions
1 explicit affected versions
38 explicit affected versions
10 explicit affected versions
13 explicit affected versions
13 explicit affected versions
6 explicit affected versions
7 explicit affected versions
39 explicit affected versions
1 explicit affected versions
10 explicit affected versions
12 explicit affected versions
36 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
37 explicit affected versions
38 explicit affected versions
1 explicit affected versions
9 explicit affected versions
11 explicit affected versions
143 explicit affected versions
7 explicit affected versions
39 explicit affected versions
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76 explicit affected versions
17 explicit affected versions
93 explicit affected versions
70 explicit affected versions
4 explicit affected versions
4 explicit affected versions
61 explicit affected versions
13 explicit affected versions
39 explicit affected versions
43 explicit affected versions
6 explicit affected versions
123 explicit affected versions
110 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
40 explicit affected versions
4 explicit affected versions
28 explicit affected versions
1 explicit affected versions
17 explicit affected versions
1 explicit affected versions
4 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: Input: aiptek - properly check endpoint type Syzbot reported warning in usb_submit_urb() which is caused by wrong endpoint type. There was a check for the number of endpoints, but not for the type of endpoint. Fix it by replacing old desc.bNumEndpoints check with usb_find_common_endpoints() helper for finding endpoints Fail log: usb 5-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 2 PID: 48 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502 Modules linked in: CPU: 2 PID: 48 Comm: kworker/2:2 Not tainted 5.17.0-rc6-syzkaller-00226-g07ebd38a0da2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: usb_hub_wq hub_event ... Call Trace: <TASK> aiptek_open+0xd5/0x130 drivers/input/tablet/aiptek.c:830 input_open_device+0x1bb/0x320 drivers/input/input.c:629 kbd_connect+0xfe/0x160 drivers/tty/vt/keyboard.c:1593
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/5600f6986628dde8881734090588474f54a540a8
- https://git.kernel.org/stable/c/35069e654bcab567ff8b9f0e68e1caf82c15dcd7
- https://git.kernel.org/stable/c/5600f6986628dde8881734090588474f54a540a8
- https://git.kernel.org/stable/c/57277a8b5d881e02051ba9d7f6cb3f915c229821
- https://git.kernel.org/stable/c/6de20111cd0bb7da9b2294073ba00c7d2a6c1c4f
- https://git.kernel.org/stable/c/e732b0412f8c603d1e998f3bff41b5e7d5c3914c
- https://git.kernel.org/stable/c/e762f57ff255af28236cd02ca9fc5c7e5a089d31
- https://git.kernel.org/stable/c/f0d43d22d24182b94d7eb78a2bf6ae7e2b33204a
- https://git.kernel.org/stable/c/fc8033a55e2796d21e370260a784ac9fbb8305a6
- https://ubuntu.com/security/CVE-2022-48836
- https://ubuntu.com/security/notices/USN-7039-1
- https://www.cve.org/CVERecord?id=CVE-2022-48836