vulnerability
Alpine Linux: CVE-2025-47290: Time-of-check Time-of-use (TOCTOU) Race Condition
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:C/A:N) | May 20, 2025 | Aug 8, 2025 | Dec 5, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:C/A:N)
Published
May 20, 2025
Added
Aug 8, 2025
Modified
Dec 5, 2025
Description
containerd is a container runtime. A time-of-check to time-of-use (TOCTOU) vulnerability was found in containerd v2.1.0. While unpacking an image during an image pull, specially crafted container images could arbitrarily modify the host file system. The only affected version of containerd is 2.1.0. Other versions of containerd are not affected. This bug has been fixed in containerd 2.1.1. Users should update to this version to resolve the issue. As a workaround, ensure that only trusted images are used and that only trusted users have permissions to import images.
Solution
alpine-linux-upgrade-containerd
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