GHSA-hv4v-f9v2-r8c2High
Use-after-free vulnerability in VFS in Google gVisor prior to release 20260831.0 on all platforms...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (5)
- https://nvd.nist.gov/vuln/detail/CVE-2026-95702
- https://github.com/google/gvisor/commit/25c75149bc0eeaa6a3a49b9bbe3473588b2af6df
- https://github.com/google/gvisor/commit/90bc4fc36fe442257a06ba15df00371561c183ed
- https://github.com/google/gvisor/commit/e4efb89c787ef15b09e68d561f1303380e1d5a77
- https://github.com/advisories/GHSA-hv4v-f9v2-r8c2