CVE-2026-97544
Received Received - Intake

Memory Leak in Linux Kernel XFS Filesystem

Publication date: 2026-09-25

Last updated on: 2026-09-25

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: xfs: don't leak dqacct if rhashtable insertion fails LOLLM observes that xqcheck_mod_live_ino_dqtrx doesn't free the newly allocated dqa object if rhashtable insertion fails. Fix this leak.

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Meta Information

Published
2026-09-25
Last Modified
2026-09-25
Generated
2026-09-25
AI Q&A
2026-09-25
EPSS Evaluated
N/A
NVD
CVE-2026-97544
EUVD
EUVD-2026-86852

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is in the Linux kernel's XFS file system. It involves a memory leak where a data structure called dqacct is not properly freed if an operation called rhashtable insertion fails. This happens in the function xqcheck_mod_live_ino_dqtrx.

Detection Guidance

This vulnerability is specific to the Linux kernel's XFS filesystem and involves a memory leak when rhashtable insertion fails. Detection requires checking kernel logs for XFS-related errors or memory leaks during filesystem operations.

Impact Analysis

This vulnerability could lead to memory exhaustion over time as the leaked dqacct objects accumulate. This may cause system instability, crashes, or degraded performance, especially in systems running XFS file systems with heavy workloads.

Mitigation Strategies

Apply the latest kernel patches from your Linux distribution to resolve the XFS memory leak issue. Monitor kernel logs for XFS errors and ensure rhashtable operations are functioning correctly.

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