CVE-2026-98920
kernel: netfs: Fix missing alloc tagging of direct mempool allocations
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 23, 2026
Updated · October 30, 2026
Description
A flaw was found in the Linux kernel's netfs subsystem. Direct memory pool allocations bypassed required memory tracking hooks when memory profiling debug features are active. A local user accessing files on a network file system can trigger repeated kernel warning messages, which may lead to a Denial of Service (DoS) on systems configured to halt on kernel warnings.
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
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-617 · Reachable Assertion