CVE-2021-42739

MediumCVSS 6.7/10Last modified Jun 17, 2026

Description

The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 20, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-42739: Medium severity, CVSS 6.7 | Vulnix