Vulnerability in Amazon Firecracker
Classification: Severe, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv3.1: 7.5, CVEs: CVE-2026-122192, Summary: Improper handling of a failed memory remap in Firecracker versions 0.23.0 through 1.16.1 might allow a guest user with root privileges to read or modify Firecracker VMM process memory via balloon or virtio-mem discard requests on microVMs restored from a snapshot with the File memory backend, if the host fails to create the replacement mapping.
EPSS < 0.01 CVSS 7.5 CVE-2026-122192 Amazon FI