VULNERABILITY INTELLIGENCE

CVE-2021-29266

CVSS score7.8 HIGH

EPSS probability0.32%

CISA KEVNot currently listed

Published2021-03-26

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.

Weakness classification

nvd@nist.gov: CWE-416

Primary references

cve@mitre.org — Release Notes, Vendor Advisory
cve@mitre.org — Patch, Vendor Advisory
cve@mitre.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory