VULNERABILITY INTELLIGENCE

CVE-2021-47521

CVSS score7.8 HIGH
EPSS probability0.24%
CISA KEVNot currently listed
Published2024-05-24
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

In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fix use after free in ems_pcmcia_add_card() If the last channel is not available then "dev" is freed. Fortunately, we can just use "pdev->irq" instead. Also we should check if at least one channel was set up.

Weakness classification

  • nvd@nist.gov: CWE-416

Primary references