CVE-2026-23038
Deferred Deferred - Pending Action
BaseFortify

Publication date: 2026-01-31

Last updated on: 2026-06-02

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: pnfs/flexfiles: Fix memory leak in nfs4_ff_alloc_deviceid_node() In nfs4_ff_alloc_deviceid_node(), if the allocation for ds_versions fails, the function jumps to the out_scratch label without freeing the already allocated dsaddrs list, leading to a memory leak. Fix this by jumping to the out_err_drain_dsaddrs label, which properly frees the dsaddrs list before cleaning up other resources.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-01-31
Last Modified
2026-06-02
Generated
2026-06-16
AI Q&A
2026-01-31
EPSS Evaluated
2026-06-14
NVD
CVE-2026-23038
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a memory leak in the Linux kernel's pnfs/flexfiles component. Specifically, in the function nfs4_ff_alloc_deviceid_node(), if the allocation for ds_versions fails, the function incorrectly jumps to a label that does not free the already allocated dsaddrs list, causing a memory leak. The fix involves changing the jump to a label that properly frees the dsaddrs list before cleaning up other resources.

Impact Analysis

The memory leak caused by this vulnerability can lead to increased memory usage in the Linux kernel, potentially degrading system performance or causing resource exhaustion over time if the faulty code path is frequently executed.

Mitigation Strategies

Apply the patch or update to the Linux kernel version that includes the fix for the memory leak in nfs4_ff_alloc_deviceid_node(). This fix ensures proper freeing of allocated memory and prevents the leak. Until then, consider monitoring system memory usage related to NFS operations and avoid workloads that heavily use pnfs/flexfiles if possible.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-23038. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart