CVE-2026-95702: CWE-416 Use After Free in Google gVisor
Description
Use-after-free vulnerability in VFS in Google gVisor prior to release 20260831.0 on all platforms allows a local attacker with standard container privileges to achieve code execution in the host sentry process by double-freeing the backing MemoryFile from an in-sandbox overlay filesystem. The sentry process remains confined by host-level Linux seccomp and namespace boundaries.
CVSS v4.0
Score 8.5high
Affected software
gVisor
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Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Date Reserved
- 2026-09-22T14:46:37.727Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ac9026b2cdf04f65662128c
Added to database: 10/09/2026, 15:04:11 UTC
Last updated: 10/09/2026, 15:04:11 UTC
Views: 1
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