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2 vulnerabilities found for Firecracker by AWS

CVE-2026-5747 (GCVE-0-2026-5747)
Vulnerability from cvelistv5
Published
2026-04-07 23:17
Modified
2026-04-08 15:15
Severity ?
7.5 (High) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
8.7 (High) - CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CWE
Summary
An out-of-bounds write issue in the virtio PCI transport in Amazon 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 modification of virtio queue configuration registers after device activation. Achieving code execution on the host requires additional preconditions, such as the use of a custom guest kernel or specific snapshot configurations. To remediate this, users should upgrade to Firecracker 1.14.4 or 1.15.1 and later.
References
Impacted products
Vendor Product Version
AWS Firecracker Version: 1.13.0   <
Version: 1.15.0
 Create a notification for this product.
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CVE-2026-1386 (GCVE-0-2026-1386)
Vulnerability from cvelistv5
Published
2026-01-23 20:25
Modified
2026-01-23 20:38
Severity ?
6.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
6.0 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H
CWE
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
Summary
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 initialization copy at jailer startup, if the jailer is executed with root privileges. To mitigate this issue, users should upgrade to version v1.13.2 or 1.14.1 or above.
References
Impacted products
Vendor Product Version
AWS Firecracker Create a notification for this product.
Show details on NVD website

To clipboard 

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