6 results · Feed
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High 8.5
Code Execution in Host Sentry Process via Double Free in gVisor VFS MemoryFile
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 …
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High 8.8
Host Root Sandbox Escape in gVisor via Character Device Passthrough and CUSE
Improper Exposure of Resource to Wrong Sphere in the host file helper (gofer) in Google gVisor prior to commit 573a9e73cf844f on Linux platforms with CUSE enabled allows a local attacker with container image deployment privileges to achieve root code executio…
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Medium 6.8
Improper File Permission Handling in Google gVisor runsc
Google gVisor's runsc component exhibited a local privilege escalation vulnerability due to incorrect handling of file access permissions, which allowed unprivileged users to access restricted files. This occurred because the process initially ran with root-l…
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Medium 6.3
Weaknesses in the generation of TCP/UDP source ports and some other header values in Google's gVisor allowed them to be…
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Medium 6.3
Improved Seeding and Hashing In gVisor
A weak hashing algorithm and small sizes of seeds/secrets in Google's gVisor allowed for a remote attacker to calculate a local IP address and a per-boot identifier that could aid in tracking of a device in certain circumstances.
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Medium 4.8
Denial-of-Service in Gvisor
A denial of service exists in Gvisor Sandbox where a bug in reference counting code in mount point tracking could lead to a panic, making it possible for an attacker running as root and with permission to mount volumes to kill the sandbox. We recommend upgrad…