Resource exhaustion in Google Gvisor

CVE-2023-7258

A denial of service exists in Gvisor Sandbox where a bug in reference counting code in mount point tracking could lead to a panic, making it possible for an attacker running as root and with permission to mount volumes to kill the sandbox. We recommend upgrading past commit 6a112c60a257dadac59962e0bc9e9b5aee70b5b6

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.1% 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-2023-7258: held from 0.002 to 0.002.

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

Affected products

  • Google Gvisor — versions 0b983ff832b175e406f4f9b1a3868457bb1ceb7b

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-7258?
CVE-2023-7258 is a medium-severity vulnerability in Google Gvisor, classified under Uncontrolled Resource Consumption. CVSS score: 4.8/10. Published 2024-05-15.
How severe is CVE-2023-7258?
Medium severity. CVSS v3 base score is 4.8 out of 10.