Vulnerability Information
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Vulnerability Title
container escape due to /dev/console mount and related races
Vulnerability 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.
CVSS Information
N/A
Vulnerability Type
CWE-61
Vulnerability Title
runc 安全漏洞
Vulnerability Description
runc是Open Container Initiative开源的一款用于根据OCI规范生成和运行容器的CLI（命令行界面）工具。 runc 1.0.0-rc3版本至1.2.7版本、1.3.0-rc.1版本至1.3.2版本和1.4.0-rc.1版本至1.4.0-rc.2版本存在安全漏洞，该漏洞源于绑定挂载/dev/pts/$n到/dev/console时检查不足，可能导致拒绝服务或容器逃逸。
CVSS Information
N/A
Vulnerability Type
N/A