CVE-2015-1340

Name: CVE-2015-1340
Creator: NVD / NIST
Published: 2019-04-22T16:29:00.897+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.90%

Last modified Jun 17, 2026

CVE-2015-1340 is a vulnerability of currently unknown severity. LXD before version 0.19-0ubuntu5 doUidshiftIntoContainer() has an unsafe Chmod() call that races against the stat in the Filepath.Walk() function. A symbolic link created in that window could cause any file on the system to have any mode of the attacker's choice.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

LXD before version 0.19-0ubuntu5 doUidshiftIntoContainer() has an unsafe Chmod() call that races against the stat in the Filepath.Walk() function. A symbolic link created in that window could cause any file on the system to have any mode of the attacker's choice.

Metrics

EPSS Probability

0.90%

55.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Linuxcontainers	Lxd	All versions

References

https://github.com/lxc/lxd/commit/19c6961cc1012c8a529f20807328a9357f5034f4Patch, Third Party Advisory
https://github.com/lxc/lxd/commit/19c6961cc1012c8a529f20807328a9357f5034f4Patch, Third Party Advisory

Timeline

Published: Apr 22, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-1340?

How severe is CVE-2015-1340?

Severity scoring for CVE-2015-1340 is pending analysis. The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2015-1340?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-1340?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST