UBUNTU-CVE-2021-37159
hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
4 explicit affected versions
6 explicit affected versions
57 explicit affected versions
8 explicit affected versions
73 explicit affected versions
34 explicit affected versions
53 explicit affected versions
26 explicit affected versions
85 explicit affected versions
4 explicit affected versions
23 explicit affected versions
72 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
4 explicit affected versions
1 explicit affected versions
3 explicit affected versions
37 explicit affected versions
45 explicit affected versions
4 explicit affected versions
37 explicit affected versions
28 explicit affected versions
10 explicit affected versions
138 explicit affected versions
21 explicit affected versions
71 explicit affected versions
51 explicit affected versions
1 explicit affected versions
20 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
67 explicit affected versions
1 explicit affected versions
39 explicit affected versions
33 explicit affected versions
10 explicit affected versions
52 explicit affected versions
11 explicit affected versions
5 explicit affected versions
75 explicit affected versions
7 explicit affected versions
37 explicit affected versions
2 explicit affected versions
71 explicit affected versions
33 explicit affected versions
174 explicit affected versions
1 explicit affected versions
5 explicit affected versions
16 explicit affected versions
29 explicit affected versions
1 explicit affected versions
1 explicit affected versions
33 explicit affected versions
5 explicit affected versions
27 explicit affected versions
1 explicit affected versions
27 explicit affected versions
4 explicit affected versions
1 explicit affected versions
29 explicit affected versions
10 explicit affected versions
25 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
21 explicit affected versions
38 explicit affected versions
9 explicit affected versions
115 explicit affected versions
27 explicit affected versions
50 explicit affected versions
8 explicit affected versions
83 explicit affected versions
60 explicit affected versions
4 explicit affected versions
17 explicit affected versions
51 explicit affected versions
27 explicit affected versions
43 explicit affected versions
1 explicit affected versions
93 explicit affected versions
100 explicit affected versions
12 explicit affected versions
29 explicit affected versions
4 explicit affected versions
16 explicit affected versions
1 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.
05 / REFERENCES
Further evidence
- https://lore.kernel.org/linux-usb/[email protected]/
- https://ubuntu.com/security/CVE-2021-37159
- https://ubuntu.com/security/notices/USN-5092-1
- https://ubuntu.com/security/notices/USN-5092-2
- https://ubuntu.com/security/notices/USN-5096-1
- https://ubuntu.com/security/notices/USN-5115-1
- https://ubuntu.com/security/notices/USN-5163-1
- https://ubuntu.com/security/notices/USN-5164-1
- https://ubuntu.com/security/notices/USN-5361-1
- https://ubuntu.com/security/notices/USN-6971-1
- https://www.cve.org/CVERecord?id=CVE-2021-37159
- https://www.spinics.net/lists/linux-usb/msg202228.html