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.
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2785-1 | linux-4.19 security update |
Debian DLA |
DLA-2843-1 | linux security update |
Debian DSA |
DSA-4978-1 | linux security update |
EUVD |
EUVD-2021-27028 | 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. |
Ubuntu USN |
USN-5113-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5115-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-5117-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-5136-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5137-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5137-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-6221-1 | Linux kernel vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.
Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-03T17:09:08.286Z
Reserved: 2021-08-31T00:00:00
Link: CVE-2021-3753
No data.
Status : Modified
Published: 2022-02-16T19:15:08.647
Modified: 2024-11-21T06:22:20.623
Link: CVE-2021-3753
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN