Double Free in Linux

CVE-2023-52795

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: fix use after free in vhost_vdpa_probe() The put_device() calls vhost_vdpa_release_dev() which calls ida_simple_remove() and frees "v". So this call to ida_simple_remove() is a use after free and a double free.

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: 0.002 (13.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.8% 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-2023-52795: held from 0.002 to 0.002.

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

Affected products

  • Linux — versions ebe6a354fa7e0a7d5b581da31ad031b19d8693f9, 6.0, 0
  • Linux Kernel — versions 6.7

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-52795?
CVE-2023-52795 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2024-05-21.
How severe is CVE-2023-52795?
High severity. CVSS v3 base score is 7.8 out of 10.