What is CVE-2008-2544?

CVE-2008-2544 is a medium-severity vulnerability in Linux Kernel, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.5/10. Published 2021-05-27.

How severe is CVE-2008-2544?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux Kernel

CVE-2008-2544

Mounting /proc filesystem via chroot command silently mounts it in read-write mode. The user could bypass the chroot environment and gain write access to files, he would never have otherwise.

Published 2021-05-27 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Linux Kernel

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2008-2544?: CVE-2008-2544 is a medium-severity vulnerability in Linux Kernel, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.5/10. Published 2021-05-27.
How severe is CVE-2008-2544?: Medium severity. CVSS v3 base score is 5.5 out of 10.