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Amazon firecracker vulnerabilities

5 published CVES affecting Amazon firecracker, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
5
Critical
1
High
2
Medium
2
Low
0
Unscored
0
CISA KEV
0

Latest Amazon firecracker CVEs

Newest publication first

  1. HighCVSS 8.7 EPSS 0.27%

    An out-of-bounds write issue in the virtio PCI transport in Firecracker 1.13.0 through 1.14.3 and 1.15.0 on x86_64 and aarch64 might allow a local guest user with root privileges to crash the Firecracker VMM process or potentially execute arbitrary code on the host via modificati...

  2. MediumCVSS 6.0 EPSS 0.21%

    A UNIX symbolic link following issue in the jailer component in Firecracker version v1.13.1 and earlier and 1.14.0 on Linux may allow a local host user with write access to the pre-created jailer directories to overwrite arbitrary host files via a symlink attack during the initia...

  3. HighCVSS 7.5 EPSS 1.7%

    In Amazon AWS Firecracker before 0.21.3, and 0.22.x before 0.22.1, the serial console buffer can grow its memory usage without limit when data is sent to the standard input. This can result in a memory leak on the microVM emulation thread, possibly occupying more memory than inte...

  4. MediumCVSS 5.9 EPSS 1.7%

    In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.