gfs2: Fix slab-use-after-free in qd_put
CVE-2026-45861 addresses a use-after-free vulnerability in the gfs2 filesystem component, specifically in the qd_put function. The vulnerability could lead to memory corruption issues. The affected products include Microsoft and Azure Linux 3. 0. There is no CVSS score provided, and no known exploits in the wild have been reported. Patch or remediation details are not specified in the available data.
AI Analysis
Technical Summary
This vulnerability involves a slab-use-after-free condition in the qd_put function of the gfs2 filesystem. Use-after-free bugs occur when memory is accessed after it has been freed, potentially leading to system instability or security issues. The affected software versions include Microsoft and Azure Linux 3.0. No detailed technical exploitation information or CVSS scoring is provided. No vendor advisory or patch links are included in the data.
Potential Impact
The impact of this vulnerability could include memory corruption, which may result in system crashes or potentially allow an attacker to execute arbitrary code or cause denial of service. However, no known exploits have been reported, and the exact impact severity is not quantified due to lack of CVSS data.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. Since no patch links or official fix information are provided, users should monitor official Microsoft channels for updates. No specific mitigation steps are detailed in the available information.
gfs2: Fix slab-use-after-free in qd_put
Description
CVE-2026-45861 addresses a use-after-free vulnerability in the gfs2 filesystem component, specifically in the qd_put function. The vulnerability could lead to memory corruption issues. The affected products include Microsoft and Azure Linux 3. 0. There is no CVSS score provided, and no known exploits in the wild have been reported. Patch or remediation details are not specified in the available data.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a slab-use-after-free condition in the qd_put function of the gfs2 filesystem. Use-after-free bugs occur when memory is accessed after it has been freed, potentially leading to system instability or security issues. The affected software versions include Microsoft and Azure Linux 3.0. No detailed technical exploitation information or CVSS scoring is provided. No vendor advisory or patch links are included in the data.
Potential Impact
The impact of this vulnerability could include memory corruption, which may result in system crashes or potentially allow an attacker to execute arbitrary code or cause denial of service. However, no known exploits have been reported, and the exact impact severity is not quantified due to lack of CVSS data.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. Since no patch links or official fix information are provided, users should monitor official Microsoft channels for updates. No specific mitigation steps are detailed in the available information.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-45861
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a18ab7fe29bf47b50288e20
Added to database: 5/28/2026, 8:54:23 PM
Last enriched: 5/28/2026, 9:04:48 PM
Last updated: 5/29/2026, 12:22:53 PM
Views: 7
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