A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2022-02-16T00:00:00

Updated: 2024-08-03T17:09:08.286Z

Reserved: 2021-08-31T00:00:00

Link: CVE-2021-3753

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-02-16T19:15:08.647

Modified: 2024-11-21T06:22:20.623

Link: CVE-2021-3753

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-09-01T11:30:00Z

Links: CVE-2021-3753 - Bugzilla