Double Free in Linux Kernel

CVE-2022-3238

A double-free flaw was found in the Linux kernel’s NTFS3 subsystem in how a user triggers remount and umount simultaneously. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (10.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-3238: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Linux Kernel — versions 6.1
  • Kernel — versions Linux kernel 6.1-rc2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-3238?
CVE-2022-3238 is a high-severity vulnerability in Linux Kernel, classified under Incomplete Cleanup. CVSS score: 7.8/10. Published 2022-11-14.
How severe is CVE-2022-3238?
High severity. CVSS v3 base score is 7.8 out of 10.