8.1

CVE-2015-1340: linuxcontainers lxd Race Condition

CVSS: 8.1v3.0HighModified
AliasesGHSA-8mpq-fmr3-6jxvGO-2021-0071
Published 22-04-2019Last modified 17-09-2024

Vulnerability summary

CVE-2015-1340 is a high (CVSS 8.1) Race Condition vulnerability in linuxcontainers lxd. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 58.8% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.0 (NVD)
EPSS score
0.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-04-2019
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.90%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.90% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.90%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Github.com/lxc1 product
  • lxd< 0.0.0-20151004155856-19c6961cc101
Linuxcontainers1 product
Ubuntu1 product
  • lxd≥ unspecified, < 0.19-0ubuntu5

3 vendors · 3 products

References

6 links