UBUNTU-CVE-2021-44879
In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
53 explicit affected versions
191 explicit affected versions
80 explicit affected versions
85 explicit affected versions
10 explicit affected versions
118 explicit affected versions
82 explicit affected versions
7 explicit affected versions
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23 explicit affected versions
1 explicit affected versions
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10 explicit affected versions
37 explicit affected versions
7 explicit affected versions
12 explicit affected versions
111 explicit affected versions
12 explicit affected versions
1 explicit affected versions
4 explicit affected versions
71 explicit affected versions
12 explicit affected versions
85 explicit affected versions
93 explicit affected versions
12 explicit affected versions
82 explicit affected versions
120 explicit affected versions
10 explicit affected versions
37 explicit affected versions
1 explicit affected versions
23 explicit affected versions
26 explicit affected versions
7 explicit affected versions
144 explicit affected versions
1 explicit affected versions
29 explicit affected versions
74 explicit affected versions
13 explicit affected versions
1 explicit affected versions
69 explicit affected versions
85 explicit affected versions
33 explicit affected versions
10 explicit affected versions
188 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
84 explicit affected versions
138 explicit affected versions
2 explicit affected versions
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165 explicit affected versions
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19 explicit affected versions
139 explicit affected versions
43 explicit affected versions
116 explicit affected versions
93 explicit affected versions
1 explicit affected versions
50 explicit affected versions
51 explicit affected versions
92 explicit affected versions
6 explicit affected versions
1 explicit affected versions
1 explicit affected versions
98 explicit affected versions
5 explicit affected versions
1 explicit affected versions
73 explicit affected versions
13 explicit affected versions
38 explicit affected versions
140 explicit affected versions
94 explicit affected versions
10 explicit affected versions
6 explicit affected versions
72 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
26 explicit affected versions
37 explicit affected versions
38 explicit affected versions
167 explicit affected versions
9 explicit affected versions
97 explicit affected versions
44 explicit affected versions
121 explicit affected versions
4 explicit affected versions
43 explicit affected versions
38 explicit affected versions
73 explicit affected versions
4 explicit affected versions
62 explicit affected versions
1 explicit affected versions
69 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.
05 / REFERENCES
Further evidence
- https://ubuntu.com/security/CVE-2021-44879
- https://ubuntu.com/security/notices/USN-5302-1
- https://ubuntu.com/security/notices/USN-5383-1
- https://ubuntu.com/security/notices/USN-6681-1
- https://ubuntu.com/security/notices/USN-6681-2
- https://ubuntu.com/security/notices/USN-6681-3
- https://ubuntu.com/security/notices/USN-6681-4
- https://ubuntu.com/security/notices/USN-6716-1
- https://www.cve.org/CVERecord?id=CVE-2021-44879
- https://www.openwall.com/lists/oss-security/2022/02/12/1