UBUNTU-CVE-2021-3348
nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
6 explicit affected versions
61 explicit affected versions
23 explicit affected versions
42 explicit affected versions
15 explicit affected versions
72 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
15 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
1 explicit affected versions
25 explicit affected versions
33 explicit affected versions
24 explicit affected versions
17 explicit affected versions
10 explicit affected versions
40 explicit affected versions
10 explicit affected versions
39 explicit affected versions
1 explicit affected versions
5 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
56 explicit affected versions
1 explicit affected versions
27 explicit affected versions
33 explicit affected versions
10 explicit affected versions
11 explicit affected versions
25 explicit affected versions
59 explicit affected versions
21 explicit affected versions
64 explicit affected versions
1 explicit affected versions
5 explicit affected versions
18 explicit affected versions
72 explicit affected versions
1 explicit affected versions
21 explicit affected versions
15 explicit affected versions
1 explicit affected versions
15 explicit affected versions
1 explicit affected versions
18 explicit affected versions
6 explicit affected versions
14 explicit affected versions
41 explicit affected versions
44 explicit affected versions
16 explicit affected versions
10 explicit affected versions
38 explicit affected versions
9 explicit affected versions
15 explicit affected versions
88 explicit affected versions
49 explicit affected versions
9 explicit affected versions
14 explicit affected versions
43 explicit affected versions
1 explicit affected versions
12 explicit affected versions
18 explicit affected versions
4 explicit affected versions
5 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b98e762e3d71e893b221f871825dc64694cfb258
- https://ubuntu.com/security/CVE-2021-3348
- https://ubuntu.com/security/notices/USN-4884-1
- https://ubuntu.com/security/notices/USN-4907-1
- https://ubuntu.com/security/notices/USN-4909-1
- https://ubuntu.com/security/notices/USN-4910-1
- https://www.cve.org/CVERecord?id=CVE-2021-3348
- https://www.openwall.com/lists/oss-security/2021/01/28/3