CVE catalog

CVE-2026-88264

A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-

[CVE catalog]

Severity
High · CVSS 8.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.12% · Oct 25, 2026

A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debiancrunsid1.28-1vulnerable
Debiancrunforky1.28-1vulnerable
Debiancruntrixie1.21-1vulnerable
Debiancrunbookworm1.8.1-1+deb12u1vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debiancrunsourcesid(unfixed)not yet assignedNot reported[1147401]
Debiancrunsourceforky(unfixed)not yet assignedNot reported[1147401]
Debiancrunsourcetrixie(unfixed)not yet assignedNot reported[1147401]
Debiancrunsourcebookworm(unfixed)not yet assignedNot reported[1147401]

[Debian bug #1147401]

Notes

[trixie] crun: Minor issue, revisit when fixed upstream [bookworm] crun: Minor issue, revisit when fixed upstream

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [crun]Affected
    Details (2)
    • 1.8.1-1+deb12u1 · amd64 · bookworm

      Affected

      nvd · crun · debian · bookworm; nvd · crun · debian · 12

    • 1.8.1-1+deb12u1 · arm64 · bookworm

      Affected

      nvd · crun · debian · bookworm; nvd · crun · debian · 12

[Debian 13 (Trixie)]

  • [crun]Affected
    Details (2)
    • 1.21-1 · amd64 · trixie

      Affected

      nvd · crun · debian · 13

    • 1.21-1 · arm64 · trixie

      Affected

      nvd · crun · debian · 13

Observed:

References