inotify: fix watch count leak when fsnotify_add_inode_mark_locked() fails
CVE-2026-46040 is a vulnerability related to the inotify subsystem in Microsoft products, including Azure Linux 3. 0. The issue involves a watch count leak occurring when the function fsnotify_add_inode_mark_locked() fails. No CVSS score or detailed impact information is provided. There are no known exploits in the wild and no patch or remediation information is currently available.
AI Analysis
Technical Summary
This vulnerability concerns a resource leak in the inotify component of Microsoft Azure Linux 3.0, specifically when the function fsnotify_add_inode_mark_locked() fails to add an inode watch. The leak involves the watch count not being properly decremented or released, which could potentially lead to resource exhaustion or degraded system performance. The exact impact and exploitation details are not provided in the available data.
Potential Impact
The impact is limited to a watch count leak in the inotify subsystem, which may cause resource exhaustion or system instability if triggered repeatedly. There is no information about exploitation in the wild or any direct security compromise such as privilege escalation or code execution.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided at this time.
inotify: fix watch count leak when fsnotify_add_inode_mark_locked() fails
Description
CVE-2026-46040 is a vulnerability related to the inotify subsystem in Microsoft products, including Azure Linux 3. 0. The issue involves a watch count leak occurring when the function fsnotify_add_inode_mark_locked() fails. No CVSS score or detailed impact information is provided. There are no known exploits in the wild and no patch or remediation information is currently available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns a resource leak in the inotify component of Microsoft Azure Linux 3.0, specifically when the function fsnotify_add_inode_mark_locked() fails to add an inode watch. The leak involves the watch count not being properly decremented or released, which could potentially lead to resource exhaustion or degraded system performance. The exact impact and exploitation details are not provided in the available data.
Potential Impact
The impact is limited to a watch count leak in the inotify subsystem, which may cause resource exhaustion or system instability if triggered repeatedly. There is no information about exploitation in the wild or any direct security compromise such as privilege escalation or code execution.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided at this time.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46040
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a18ab84e29bf47b50288f17
Added to database: 5/28/2026, 8:54:28 PM
Last enriched: 5/28/2026, 9:07:20 PM
Last updated: 5/29/2026, 9:39:45 AM
Views: 6
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.