CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux. It may be remotely exploitable. It may lead to a denial-of-service condition.
CVE
CVE-2009-3623
Severity
HIGH
CVSS
7.8
EPSS
3.47%
Linux
Original NVD Description
The lookup_cb_cred function in fs/nfsd/nfs4callback.c in the nfsd4 subsystem in the Linux kernel before 2.6.31.2 attempts to access a credentials cache even when a client specifies the AUTH_NULL authentication flavor, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an NFSv4 mount request.