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ALPINE-CVE-2018-6556

ALPINE-CVE-2018-6556 PUBLISHED CVSS 3.299999952316284 LOW

lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. This code path may be used by an unprivileged user to check for the existence of a path which they wouldn't otherwise be able to reach. It may also be used to trigger side effects by causing a (read-only) open of special kernel files (ptmx, proc, sys). Affected releases are LXC: 2.0 versions above and including 2.0.9; 3.0 versions above and including 3.0.0, prior to 3.0.2.

Risk Scores

CVSS v3.0
3.299999952316284
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Products

VendorProductVersions
Alpine:v3.18lxc1.0.0-r3, 1.0.6-r1, 0.8.0-r2
Alpine:v3.23lxc2.1.1-r8, 2.1.1-r7, 2.1.1-r6
Alpine:v3.17lxc2.0.3-r1, 0.9.0-r0, 0
Alpine:v3.20lxc1.0.0-r1, 0.7.4-r0, *
Alpine:v3.10lxc1.0.1-r0, 0.8.0-r7, *
Alpine:v3.21lxc2.0.7-r5, 2.1.1-r5, 2.0.3-r3
Alpine:v3.7lxc2.0.8-r1, 0.7.4-r0, 0.7.4-r1
Alpine:v3.19lxc1.0.6-r1, 0, 0.7.4-r1
Alpine:v3.13lxc2.1.0-r1, 2.1.1-r0, 2.1.1-r1
Alpine:v3.8lxc2.1.1-r7, 0.8.0-r2, 0.8.0-r1
Alpine:v3.11lxc2.0.7-r3, 0.8.0-r3, 0.8.0-r2
Alpine:v3.6lxc0.8.0-r0, 0.7.4_rc1-r0, 0.7.4-r3
Alpine:v3.15lxc1.1.2-r2, 0, 0.7.4-r0
Alpine:v3.14lxc2.1.1-r8, 2.1.1-r7, 2.1.1-r6
Alpine:v3.12lxc0, 0.7.4-r0, 0.7.4-r1
Alpine:v3.22lxc2.1.1-r8, 2.1.1-r7, 2.1.1-r6
Alpine:v3.9lxc0, 2.1.1-r8, 2.1.1-r7
Alpine:v3.16lxc0.7.4-r1, 0, 0.7.4-r0

Timeline

  • Aug 10, 2018 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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