CVE-2020-8992 — Uncontrolled Resource Consumption in Linux
Severity
5.5MEDIUMNVD
OSV7.1OSV6.4OSV4.7
EPSS
0.1%
top 83.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 14
Latest updateMay 24
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages8 packages
Also affects: Ubuntu Linux 14.04, 16.04, 18.04, 19.10
Patches
🔴Vulnerability Details
7OSV▶
linux, linux-lts-xenial, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities↗2020-07-06
OSV▶
linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2, linux-raspi2-5.3 vulnerabilities↗2020-04-30
OSV▶
linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities↗2020-04-07