Source: crun
Version: 1.28-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerabilities were published for crun.

CVE-2026-88264[0]:
| 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.


CVE-2026-88265[1]:
| A flaw was found in crun. After pivot_root, reopening /dev/null for
| stdio can follow a symlink and attach a host file to container
| stdio, then change that file's ownership. 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.


If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-88264
    https://www.cve.org/CVERecord?id=CVE-2026-88264
[1] https://security-tracker.debian.org/tracker/CVE-2026-88265
    https://www.cve.org/CVERecord?id=CVE-2026-88265

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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