Description
runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can trick runc into bind-mounting paths which would normally be made read-only or be masked onto a path that the attacker can write to. This attack is very similar in concept and application to CVE-2025-31133, except that it attacks a similar vulnerability in a different target (namely, the bind-mount of /dev/pts/$n to /dev/console as configured for all containers that allocate a console). This happens after pivot_root(2), so this cannot be used to write to host files directly -- however, as with CVE-2025-31133, this can load to denial of service of the host or a container breakout by providing the attacker with a writable copy of /proc/sysrq-trigger or /proc/sys/kernel/core_pattern (respectively). This issue is fixed in versions 1.2.8, 1.3.3 and 1.4.0-rc.3.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 11 | | =1.0.0+ds1-1 || =1.0.0~rc93+ds1-5 || =1.0.0~rc93+ds1-5+deb11u1 || =1.0.0~rc93+ds1-5+deb11u2 || =1.0.0~rc93+ds1-5+deb11u3 || =1.0.0~rc93+ds1-5+deb11u4 || =1.0.0~rc93+ds1-5+deb11u5 || =1.0.0~rc93.144.g6538f9f2+ds1-1 || =1.0.0~rc94+ds1-1 || =1.0.0~rc94+ds1-2 || =1.0.0~rc95.86.g2f8e8e9d+ds1-1 || =1.0.1+ds1-1 || =1.0.1+ds1-2 || =1.0.2+ds1-1 || =1.0.2+ds1-2 || =1.0.3+ds1-1 || =1.1.0+ds1-1 || =1.1.0~rc.1+ds1-1 || =1.1.1+ds1-1 || =1.1.10+ds1-1 || =1.1.12+ds1-1 || =1.1.12+ds1-2 || =1.1.12+ds1-3 || =1.1.12+ds1-4 || =1.1.12+ds1-5 || =1.1.12+ds1-5.1 || =1.1.15+ds1-1 || =1.1.15+ds1-2 || =1.1.3+ds1-1 || =1.1.3+ds1-2 || =1.1.3+ds1-3 || =1.1.3+ds1-4 || =1.1.3+ds1-5 || =1.1.3+ds1-6 || =1.1.3+ds1-7 || =1.1.4+ds1-1 || =1.1.5+ds1-1 || =1.1.5+ds1-2 || =1.1.5+ds1-3 || =1.1.5+ds1-4 || =1.1.5+ds1-5 || =1.3.0+ds1-1 || =1.3.0+ds1-2 || =1.3.0+ds1-3 || =1.3.0+ds1-4 || =1.3.2+ds1-1 || =1.3.3+ds1-1 || =1.3.3+ds1-2 || =1.3.3+ds1-3 || =1.3.5+ds1-1 | - |
debian 12 | | =1.1.10+ds1-1 || =1.1.12+ds1-1 || =1.1.12+ds1-2 || =1.1.12+ds1-3 || =1.1.12+ds1-4 || =1.1.12+ds1-5 || =1.1.12+ds1-5.1 || =1.1.15+ds1-1 || =1.1.15+ds1-2 || =1.1.5+ds1-1 || =1.1.5+ds1-1+deb12u1 || =1.1.5+ds1-2 || =1.1.5+ds1-3 || =1.1.5+ds1-4 || =1.1.5+ds1-5 || =1.3.0+ds1-1 || =1.3.0+ds1-2 || =1.3.0+ds1-3 || =1.3.0+ds1-4 || =1.3.2+ds1-1 || =1.3.3+ds1-1 || =1.3.3+ds1-2 || =1.3.3+ds1-3 || =1.3.5+ds1-1 | - |
debian 13 | | =1.1.15+ds1-2 || =1.3.0+ds1-1 || =1.3.0+ds1-2 || =1.3.0+ds1-3 || =1.3.0+ds1-4 || =1.3.2+ds1-1 || =1.3.3+ds1-1 || =1.3.3+ds1-2 || =1.3.3+ds1-3 || =1.3.5+ds1-1 | - |
debian 14 | | =1.1.15+ds1-2 || =1.3.0+ds1-1 || =1.3.0+ds1-2 || =1.3.0+ds1-3 || =1.3.0+ds1-4 || =1.3.2+ds1-1 || =1.3.3+ds1-1 || >=0 <1.3.3+ds1-2 | 1.3.3+ds1-2 |
 go | | >=1.0.0-rc3 <1.2.8 || >=1.3.0-rc.1 <1.3.3 || >=1.4.0-rc.1 <1.4.0-rc.3 | 1.2.8, 1.3.3, 1.4.0-rc.3 |
 rpm rhel9.4 | | | 4:1.2.9-1.el9_4 |
rpm rhel9 | | <4:1.2.5-3.el9_6 || >=4:1.3.0, <4:1.3.0-4.el9_7 | 4:1.3.0-4.el9_7 |
