CVE-2020-8992
Moderate
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.
Exploit probability
0.4%
Published
February 14, 2020
Required by
Not available
Last source change
March 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2020-8992
View original source
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
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://patchwork.ozlabs.org/patch/1236118/
- https://security.netapp.com/advisory/ntap-20200313-0003/
- https://usn.ubuntu.com/4318-1/
- https://usn.ubuntu.com/4324-1/
- https://usn.ubuntu.com/4342-1/
- https://usn.ubuntu.com/4344-1/
- https://usn.ubuntu.com/4419-1/