CVE-2021-38203
Moderate
CVE-2021-38203
btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.
Exploit probability
0.4%
Published
August 8, 2021
Required by
Not available
Last source change
April 11, 2026
02 / AFFECTED SOFTWARE
Affected packages
684 explicit affected versions
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2021-38203
View original source
btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.
05 / REFERENCES