UBUNTU-CVE-2021-4037
A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set, in a scenario where a directory is SGID and belongs to a certain group and is writable by a user who is not a member of this group. This can lead to excessive permissions granted in case when they should not. This vulnerability is similar to the previous CVE-2018-13405 and adds the missed fix for the XFS.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
8 explicit affected versions
6 explicit affected versions
57 explicit affected versions
9 explicit affected versions
191 explicit affected versions
74 explicit affected versions
35 explicit affected versions
54 explicit affected versions
27 explicit affected versions
86 explicit affected versions
4 explicit affected versions
23 explicit affected versions
79 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
8 explicit affected versions
1 explicit affected versions
7 explicit affected versions
38 explicit affected versions
46 explicit affected versions
8 explicit affected versions
38 explicit affected versions
29 explicit affected versions
10 explicit affected versions
145 explicit affected versions
22 explicit affected versions
78 explicit affected versions
52 explicit affected versions
1 explicit affected versions
22 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
68 explicit affected versions
1 explicit affected versions
40 explicit affected versions
33 explicit affected versions
10 explicit affected versions
53 explicit affected versions
11 explicit affected versions
12 explicit affected versions
76 explicit affected versions
7 explicit affected versions
38 explicit affected versions
2 explicit affected versions
72 explicit affected versions
34 explicit affected versions
1 explicit affected versions
6 explicit affected versions
17 explicit affected versions
30 explicit affected versions
1 explicit affected versions
1 explicit affected versions
34 explicit affected versions
5 explicit affected versions
28 explicit affected versions
1 explicit affected versions
28 explicit affected versions
9 explicit affected versions
1 explicit affected versions
30 explicit affected versions
10 explicit affected versions
26 explicit affected versions
44 explicit affected versions
16 explicit affected versions
7 explicit affected versions
22 explicit affected versions
38 explicit affected versions
9 explicit affected versions
122 explicit affected versions
28 explicit affected versions
57 explicit affected versions
9 explicit affected versions
84 explicit affected versions
61 explicit affected versions
4 explicit affected versions
18 explicit affected versions
52 explicit affected versions
28 explicit affected versions
43 explicit affected versions
1 explicit affected versions
101 explicit affected versions
101 explicit affected versions
30 explicit affected versions
4 explicit affected versions
17 explicit affected versions
1 explicit affected versions
8 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set, in a scenario where a directory is SGID and belongs to a certain group and is writable by a user who is not a member of this group. This can lead to excessive permissions granted in case when they should not. This vulnerability is similar to the previous CVE-2018-13405 and adds the missed fix for the XFS.
05 / REFERENCES