UBUNTU-CVE-2020-25284
The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.
02 / AFFECTED SOFTWARE
Affected packages
86 explicit affected versions
49 explicit affected versions
6 explicit affected versions
6 explicit affected versions
191 explicit affected versions
52 explicit affected versions
16 explicit affected versions
33 explicit affected versions
6 explicit affected versions
61 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
9 explicit affected versions
1 explicit affected versions
17 explicit affected versions
23 explicit affected versions
54 explicit affected versions
16 explicit affected versions
9 explicit affected versions
10 explicit affected versions
32 explicit affected versions
3 explicit affected versions
53 explicit affected versions
31 explicit affected versions
1 explicit affected versions
1 explicit affected versions
22 explicit affected versions
13 explicit affected versions
48 explicit affected versions
1 explicit affected versions
19 explicit affected versions
28 explicit affected versions
10 explicit affected versions
11 explicit affected versions
88 explicit affected versions
17 explicit affected versions
2 explicit affected versions
51 explicit affected versions
11 explicit affected versions
56 explicit affected versions
1 explicit affected versions
118 explicit affected versions
9 explicit affected versions
64 explicit affected versions
1 explicit affected versions
11 explicit affected versions
7 explicit affected versions
1 explicit affected versions
7 explicit affected versions
1 explicit affected versions
9 explicit affected versions
75 explicit affected versions
7 explicit affected versions
33 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
38 explicit affected versions
9 explicit affected versions
96 explicit affected versions
7 explicit affected versions
79 explicit affected versions
31 explicit affected versions
41 explicit affected versions
2 explicit affected versions
6 explicit affected versions
43 explicit affected versions
1 explicit affected versions
12 explicit affected versions
11 explicit affected versions
4 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/f44d04e696feaf13d192d942c4f14ad2e117065a
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f44d04e696feaf13d192d942c4f14ad2e117065a
- https://twitter.com/grsecurity/status/1304537507560919041
- https://ubuntu.com/security/CVE-2020-25284
- https://ubuntu.com/security/notices/USN-4657-1
- https://ubuntu.com/security/notices/USN-4658-1
- https://ubuntu.com/security/notices/USN-4660-1
- https://ubuntu.com/security/notices/USN-4752-1
- https://www.cve.org/CVERecord?id=CVE-2020-25284