vulnerability
Red Hat: CVE-2021-3753: kernel: a race out-of-bound read in vt (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:M/Au:N/C:P/I:N/A:N) | Feb 16, 2022 | May 23, 2024 | Mar 27, 2026 |
Severity
2
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Published
Feb 16, 2022
Added
May 23, 2024
Modified
Mar 27, 2026
Description
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.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
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