CVE-2021-38199

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 breakdown

Affected products

• Debian / debian_linux11.0 – 11.0
• Debian / debian_linux9.0 – 9.0
• Linux / Linux kernel5.13.4
• NetApp / element_software
• NetApp / hci_bootstrap_os
• NetApp / hci_management_node
• NetApp / solidfire

References

• MISChttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
• PATCHhttps://github.com/torvalds/linux/commit/dd99e9f98fbf423ff6d365b37a98e8879170f17c
• MISChttps://security.netapp.com/advisory/ntap-20210902-0010/
• VENDOR_ADVISORYhttps://www.debian.org/security/2021/dsa-4978
• MAILING_LISThttps://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
• MAILING_LISThttps://lists.debian.org/debian-lts-announce/2021/12/msg00012.html