Bug 2541040 (CVE-2026-97544)

Summary:	CVE-2026-97544 kernel: xfs: don't leak dqacct if rhashtable insertion fails
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	akhatavk, aos-team-art-private, asdas, dpaolell, jdelft, jupierce, lgarciaa, mbiarnes, ppalepu, ppostler, prdhamdh, rhel-process-autobot, sghai, sidsharm, suppawar, vlaad, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A flaw was found in the Linux kernel's XFS file system. This flaw allows a local user to cause a Denial of Service (DoS) through kernel memory exhaustion. The issue occurs during live quota check operations when memory allocated for quota tracking is not freed if an internal hash table insertion fails.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-09-25 10:44:50 UTC

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.

Comment 1 gkamathe 2026-09-28 22:11:55 UTC

Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97544.mbox