CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2021-38203
Medium (5.5). EPSS 0.4% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-11-01)
- CWE
- CWE-667
- Published
- Modified
- Record from
- the NVD, synced
Affected
- linux:linux_kernel
- netapp:element_software
- netapp:hci_bootstrap_os
- netapp:hci_management_node
- netapp:solidfire
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947
- https://security.netapp.com/advisory/ntap-20210902-0010/
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947