UBUNTU-CVE-2021-38160
In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE: the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
4 explicit affected versions
6 explicit affected versions
5 explicit affected versions
191 explicit affected versions
69 explicit affected versions
31 explicit affected versions
49 explicit affected versions
22 explicit affected versions
80 explicit affected versions
4 explicit affected versions
23 explicit affected versions
71 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
33 explicit affected versions
42 explicit affected versions
4 explicit affected versions
33 explicit affected versions
24 explicit affected versions
10 explicit affected versions
137 explicit affected versions
18 explicit affected versions
70 explicit affected versions
47 explicit affected versions
1 explicit affected versions
19 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
63 explicit affected versions
1 explicit affected versions
36 explicit affected versions
33 explicit affected versions
10 explicit affected versions
48 explicit affected versions
11 explicit affected versions
5 explicit affected versions
71 explicit affected versions
7 explicit affected versions
34 explicit affected versions
2 explicit affected versions
67 explicit affected versions
30 explicit affected versions
1 explicit affected versions
2 explicit affected versions
13 explicit affected versions
25 explicit affected versions
1 explicit affected versions
1 explicit affected versions
29 explicit affected versions
5 explicit affected versions
23 explicit affected versions
1 explicit affected versions
24 explicit affected versions
4 explicit affected versions
1 explicit affected versions
25 explicit affected versions
10 explicit affected versions
22 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
18 explicit affected versions
38 explicit affected versions
9 explicit affected versions
114 explicit affected versions
24 explicit affected versions
49 explicit affected versions
5 explicit affected versions
79 explicit affected versions
56 explicit affected versions
4 explicit affected versions
13 explicit affected versions
47 explicit affected versions
23 explicit affected versions
43 explicit affected versions
1 explicit affected versions
92 explicit affected versions
95 explicit affected versions
12 explicit affected versions
26 explicit affected versions
4 explicit affected versions
13 explicit affected versions
1 explicit affected versions
3 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE: the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://git.kernel.org/linus/d00d8da5869a2608e97cfede094dfc5e11462a46
- https://github.com/torvalds/linux/commit/d00d8da5869a2608e97cfede094dfc5e11462a46
- https://ubuntu.com/security/CVE-2021-38160
- https://ubuntu.com/security/notices/USN-5073-1
- https://ubuntu.com/security/notices/USN-5073-2
- https://ubuntu.com/security/notices/USN-5073-3
- https://ubuntu.com/security/notices/USN-5091-1
- https://ubuntu.com/security/notices/USN-5091-2
- 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-5106-1
- https://ubuntu.com/security/notices/USN-5343-1
- https://www.cve.org/CVERecord?id=CVE-2021-38160