5 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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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…