CVE-2024-47692
kernel: nfsd: return -EINVAL when namelen is 0
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 21, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's nfsd component. A local attacker with low privileges could manipulate the main.sqlite file, causing a zero-length name to be processed. This improper handling leads to a null pointer dereference in the nfs4_client_to_reclaim() function, which can result in a system crash and a Denial of Service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference