What is CVE-2020-25582?

CVE-2020-25582 is a high-severity vulnerability in Freebsd, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.7/10. Published 2021-03-26.

How severe is CVE-2020-25582?

High severity. CVSS v3 base score is 8.7 out of 10.

Vulnerability in Freebsd

CVE-2020-25582

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.

Vulnerability class: Race Condition

EPSS: 0.007 (49.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N.

Affected products

Freebsd — versions 11.4, 12.2
N/a Freebsd — versions FreeBSD 12.2-RELEASE before p4, 11.4-RELEASE before p8

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

secteam@freebsd.org (x_refsource_MISC, Vendor Advisory)
secteam@freebsd.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-25582?: CVE-2020-25582 is a high-severity vulnerability in Freebsd, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.7/10. Published 2021-03-26.
How severe is CVE-2020-25582?: High severity. CVSS v3 base score is 8.7 out of 10.