CVE-2021-38199
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 08 Aug 2021, 19:27
Last modified:04 Aug 2024, 01:37
Vulnerability Summary
Overall Risk (default)
medium
26/100 CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.19% LOW
0% probability -0.15%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
08 Aug 2021, 19:27
Published
Vulnerability first disclosed
04 Aug 2024, 01:37
Last Modified
Vulnerability information updated
Description
fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators of remote NFSv4 servers to cause a denial of service (hanging of mounts) by arranging for those servers to be unreachable during trunking detection.
CVSS Metrics
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v2.0•LOW•Score: 3.3AV:A/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.19%• Percentile: 41%
Affected Systems
- debian•debian_linux
9.0 | 11.0
- linux•linux_kernel
< 5.13.4
- netapp•element_software
na
- netapp•hci_bootstrap_os
na
- netapp•hci_management_node
na
- netapp•solidfire
na
References (6)
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://github.com/torvalds/linux/commit/dd99e9f98fbf423ff6d365b37a98e8879170f17c
- https://security.netapp.com/advisory/ntap-20210902-0010/
- https://www.debian.org/security/2021/dsa-4978
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html