A flaw was found in the Linux kernel. A remote attacker could cause a denial of service attack by sending NFS traffic when trace event framework is being used for nfsd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
This flaw may allow a remote attacker to cause a denial of service (out-of-bounds read in strlen) by sending NFS traffic when the trace event framework is being used for nfsd.
Reference and upstream patch:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1992742]
This was fixed for Fedora with the 5.13.4 stable kernel updates.
There was no shipped RHEL kernel version that was seen affected by this problem.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):