Double Free in Linux

CVE-2022-49384

In the Linux kernel, the following vulnerability has been resolved: md: fix double free of io_acct_set bioset Now io_acct_set is alloc and free in personality. Remove the codes that free io_acct_set in md_free and md_stop.

Vulnerability class: Double Free

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: 0.003 (18.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.0% 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-2022-49384: held from 0.003 to 0.003.

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

Affected products

  • Linux — versions 0c031fd37f69deb0cd8c43bbfcfccd62ebd7e952, 5.16.3, 00e3d58f50a875343124bcf5a9637520a492b0d1
  • Linux Kernel

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-49384?
CVE-2022-49384 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2025-02-26.
How severe is CVE-2022-49384?
High severity. CVSS v3 base score is 7.8 out of 10.