In the Linux kernel, the following vulnerability has been resolved: fs: Fix uninitialized 'offp' in statmount_string() In statmount_string(), most… (CVE-2025-68212)
A vulnerability in the Linux kernel's statmount_string() function was fixed to address an uninitialized pointer 'offp'. The issue arose because certain code paths (STATMOUNT_MNT_UIDMAP and STATMOUNT_MNT_GIDMAP) did not initialize 'offp' before dereferencing it, potentially causing undefined behavior. The fix ensures 'offp' is properly assigned in all cases, maintaining consistent code execution.
AI Analysis
Technical Summary
The Linux kernel contained a vulnerability in the statmount_string() function where the output offset pointer 'offp' was left uninitialized in specific cases (STATMOUNT_MNT_UIDMAP and STATMOUNT_MNT_GIDMAP). This uninitialized pointer could be dereferenced later, leading to possible memory corruption or undefined behavior. The vulnerability was resolved by assigning 'offp' in these cases to align with the handling of other flags, ensuring safe pointer usage.
Potential Impact
The vulnerability could lead to memory corruption or undefined behavior due to dereferencing an uninitialized pointer. According to the CVSS vector, the impact includes high confidentiality, integrity, and availability impact. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
A fix has been implemented in the Linux kernel to properly initialize the 'offp' pointer in all code paths of statmount_string(). Users and administrators should apply the official kernel updates that include this fix once available. Patch status is not explicitly confirmed in the provided data; check the vendor or Linux kernel advisories for the current remediation guidance.
In the Linux kernel, the following vulnerability has been resolved: fs: Fix uninitialized 'offp' in statmount_string() In statmount_string(), most… (CVE-2025-68212)
Description
A vulnerability in the Linux kernel's statmount_string() function was fixed to address an uninitialized pointer 'offp'. The issue arose because certain code paths (STATMOUNT_MNT_UIDMAP and STATMOUNT_MNT_GIDMAP) did not initialize 'offp' before dereferencing it, potentially causing undefined behavior. The fix ensures 'offp' is properly assigned in all cases, maintaining consistent code execution.
CVSS v3.1
Score 7.8high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Linux kernel contained a vulnerability in the statmount_string() function where the output offset pointer 'offp' was left uninitialized in specific cases (STATMOUNT_MNT_UIDMAP and STATMOUNT_MNT_GIDMAP). This uninitialized pointer could be dereferenced later, leading to possible memory corruption or undefined behavior. The vulnerability was resolved by assigning 'offp' in these cases to align with the handling of other flags, ensuring safe pointer usage.
Potential Impact
The vulnerability could lead to memory corruption or undefined behavior due to dereferencing an uninitialized pointer. According to the CVSS vector, the impact includes high confidentiality, integrity, and availability impact. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
A fix has been implemented in the Linux kernel to properly initialize the 'offp' pointer in all code paths of statmount_string(). Users and administrators should apply the official kernel updates that include this fix once available. Patch status is not explicitly confirmed in the provided data; check the vendor or Linux kernel advisories for the current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qh7q-6f85-cjv9
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2025-68212"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a6b72d39c2644c7f84782d6
Added to database: 07/30/2026, 15:50:43 UTC
Last enriched: 07/30/2026, 18:40:22 UTC
Last updated: 09/10/2026, 19:38:44 UTC
Views: 10
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