btrfs: fix double free in create_space_info_sub_group() error path
CVE-2026-46164 is a vulnerability in the btrfs filesystem component related to a double free error in the create_space_info_sub_group() error path. The issue was identified by the Microsoft Security Response Center and affects Microsoft products including Azure Linux 3. 0. No CVSS score or detailed technical exploitation information is provided. There are no known exploits in the wild at this time. Patch or remediation details have not been disclosed in the provided data.
AI Analysis
Technical Summary
This vulnerability involves a double free error in the btrfs filesystem's create_space_info_sub_group() function error handling path. Double free vulnerabilities can lead to memory corruption, which may cause application crashes or potentially allow arbitrary code execution if exploited. The affected products include Microsoft and Azure Linux 3.0 versions. No further technical details or exploitation methods are described in the available information.
Potential Impact
The impact of this vulnerability could include memory corruption due to double free, which may result in denial of service or potentially enable code execution. However, no known exploits exist in the wild, and no detailed impact analysis or CVSS score is provided.
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 in the current data.
btrfs: fix double free in create_space_info_sub_group() error path
Description
CVE-2026-46164 is a vulnerability in the btrfs filesystem component related to a double free error in the create_space_info_sub_group() error path. The issue was identified by the Microsoft Security Response Center and affects Microsoft products including Azure Linux 3. 0. No CVSS score or detailed technical exploitation information is provided. There are no known exploits in the wild at this time. Patch or remediation details have not been disclosed in the provided data.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a double free error in the btrfs filesystem's create_space_info_sub_group() function error handling path. Double free vulnerabilities can lead to memory corruption, which may cause application crashes or potentially allow arbitrary code execution if exploited. The affected products include Microsoft and Azure Linux 3.0 versions. No further technical details or exploitation methods are described in the available information.
Potential Impact
The impact of this vulnerability could include memory corruption due to double free, which may result in denial of service or potentially enable code execution. However, no known exploits exist in the wild, and no detailed impact analysis or CVSS score is provided.
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 in the current data.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46164
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a19fed3e29bf47b500fe45d
Added to database: 5/29/2026, 9:02:11 PM
Last enriched: 5/29/2026, 9:14:24 PM
Last updated: 5/31/2026, 4:52:12 AM
Views: 5
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