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GHSA-cm76-qm8v-3j95
No affected components available
Impact
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.
Patches
This bug has been fixed in the following containerd versions:
- 2.1.1
The only affected version of containerd is 2.1.0. Other versions of containerd are not affected.
Users should update to this version to resolve the issue.
Workarounds
Ensure that only trusted images are used and that only trusted users have permissions to import images.
Credits
The containerd project would like to thank Tõnis Tiigi for responsibly disclosing this issue in accordance with the containerd security policy.
References
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-47290
For more information
If you have any questions or comments about this advisory:
- Open an issue in containerd
- Email us at security@containerd.io
To report a security issue in containerd:
- Report a new vulnerability
- Email us at security@containerd.io
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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