CVE-2020-25582

Severity: high (CVSS 8.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-26 · updated 2026-06-17
Weakness: CWE-362

Description

In FreeBSD 12.2-STABLE before r369334, 11.4-STABLE before r369335, 12.2-RELEASE before p4 and 11.4-RELEASE before p8 when a process, such as jexec(8) or killall(1), calls jail_attach(2) to enter a jail, the jailed root can attach to it using ptrace(2) before the current working directory is changed.

Affected products

FreeBSD: 11.4, 11.4-p1, 11.4-p2, 11.4-p3, 11.4-p4, 11.4-p5 (+6)

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-21:05.jail_chdir.asc
https://security.netapp.com/advisory/ntap-20210423-0003/
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:05.jail_chdir.asc
https://security.netapp.com/advisory/ntap-20210423-0003/

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