UBUNTU-CVE-2020-8992
ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.
02 / AFFECTED SOFTWARE
Affected packages
20 explicit affected versions
35 explicit affected versions
1 explicit affected versions
1 explicit affected versions
12 explicit affected versions
45 explicit affected versions
7 explicit affected versions
5 explicit affected versions
21 explicit affected versions
9 explicit affected versions
23 explicit affected versions
7 explicit affected versions
38 explicit affected versions
51 explicit affected versions
69 explicit affected versions
47 explicit affected versions
31 explicit affected versions
1 explicit affected versions
10 explicit affected versions
1 explicit affected versions
46 explicit affected versions
80 explicit affected versions
40 explicit affected versions
6 explicit affected versions
26 explicit affected versions
48 explicit affected versions
67 explicit affected versions
23 explicit affected versions
82 explicit affected versions
89 explicit affected versions
5 explicit affected versions
41 explicit affected versions
24 explicit affected versions
54 explicit affected versions
26 explicit affected versions
44 explicit affected versions
4 explicit affected versions
18 explicit affected versions
38 explicit affected versions
3 explicit affected versions
111 explicit affected versions
17 explicit affected versions
21 explicit affected versions
6 explicit affected versions
14 explicit affected versions
23 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.
05 / REFERENCES
Further evidence
- https://lore.kernel.org/r/[email protected]
- https://patchwork.ozlabs.org/patch/1236118/
- https://ubuntu.com/security/CVE-2020-8992
- https://ubuntu.com/security/notices/USN-4318-1
- https://ubuntu.com/security/notices/USN-4324-1
- https://ubuntu.com/security/notices/USN-4342-1
- https://ubuntu.com/security/notices/USN-4344-1
- https://ubuntu.com/security/notices/USN-4419-1
- https://www.cve.org/CVERecord?id=CVE-2020-8992