UBUNTU-CVE-2021-3428
A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
6 explicit affected versions
7 explicit affected versions
65 explicit affected versions
33 explicit affected versions
45 explicit affected versions
18 explicit affected versions
75 explicit affected versions
23 explicit affected versions
83 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
1 explicit affected versions
36 explicit affected versions
44 explicit affected versions
36 explicit affected versions
20 explicit affected versions
10 explicit affected versions
149 explicit affected versions
20 explicit affected versions
82 explicit affected versions
42 explicit affected versions
1 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
59 explicit affected versions
38 explicit affected versions
33 explicit affected versions
10 explicit affected versions
44 explicit affected versions
11 explicit affected versions
67 explicit affected versions
36 explicit affected versions
62 explicit affected versions
32 explicit affected versions
1 explicit affected versions
4 explicit affected versions
15 explicit affected versions
21 explicit affected versions
1 explicit affected versions
24 explicit affected versions
26 explicit affected versions
1 explicit affected versions
26 explicit affected versions
1 explicit affected versions
21 explicit affected versions
24 explicit affected versions
44 explicit affected versions
16 explicit affected versions
20 explicit affected versions
38 explicit affected versions
9 explicit affected versions
126 explicit affected versions
26 explicit affected versions
61 explicit affected versions
7 explicit affected versions
75 explicit affected versions
52 explicit affected versions
12 explicit affected versions
43 explicit affected versions
26 explicit affected versions
43 explicit affected versions
1 explicit affected versions
105 explicit affected versions
90 explicit affected versions
12 explicit affected versions
28 explicit affected versions
4 explicit affected versions
15 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.
05 / REFERENCES
Further evidence
- https://ubuntu.com/security/CVE-2021-3428
- https://ubuntu.com/security/notices/USN-4979-1
- https://ubuntu.com/security/notices/USN-5137-1
- https://ubuntu.com/security/notices/USN-5137-2
- https://ubuntu.com/security/notices/USN-6001-1
- https://ubuntu.com/security/notices/USN-6013-1
- https://ubuntu.com/security/notices/USN-6014-1
- https://www.cve.org/CVERecord?id=CVE-2021-3428
- https://www.openwall.com/lists/oss-security/2021/03/17/1
- https://www.openwall.com/lists/oss-security/2021/03/17/13
- https://www.openwall.com/lists/oss-security/2021/03/17/5