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Fencer Intel
high 8.1

CVE-2019-13178 json

modules/luksbootkeyfile/main.py in Calamares versions 3.1 through 3.2.10 has a race condition between the time when the LUKS encryption key…

published 7y ago modified 4mo ago also EUVD-2019-4702

cvss
8.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

modules/luksbootkeyfile/main.py in Calamares versions 3.1 through 3.2.10 has a race condition between the time when the LUKS encryption keyfile is created and when secure permissions are set.

Patch / fix

  • calamares Debian 14, Debian 13, Debian 12 3.2.11-1

debian advisories DEBIAN-CVE-2019-13178

  • calamares Package Hub 15 SP1 3.2.15-bp151.4.3.1
  • calamares Package Hub 15 3.2.15-bp150.2.6.1
  • calamares openSUSE Leap 15.1, openSUSE Leap 15.0 3.2.15-lp151.4.3.3

opensuse advisories openSUSE-SU-2019:2655-1openSUSE-SU-2019:2654-1openSUSE-SU-2019:2628-1

Is CVE-2019-13178 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-13178 updated cvss 5.1

calamares: race condition in modules/luksbootkeyfile/main.py

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.69% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugs.launchpad.net https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835095 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/calamares/calamares/issues/1191 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.