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CVE-2021-3753

Published: Feb 16, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-125
NVD MITRE
4.7CVSSMEDIUM
EPSS Score
0.4%
Top 71.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-125CWE-362

Affected Products

linux kernellinux
On-premOS
Operating Systems
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
active iq unified managernetappHardware Firmware
element softwarenetappHardware Firmware
hci management nodenetappHardware Firmware
linuxoss-projectOperating Systemsaka the linux kernel
redhatcommercialUSOperating Systemsaka red hat
netappcommercialUSHardware Firmware
and 14 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Privilege Escalation
View detailed technique mapping

References

https://bugzilla.redhat.com/show_bug.cgi?id=1999589
bugzilla.redhat.com
https://github.com/torvalds/linux/commit/2287a51ba822384834dafc1c798453375d1107c7
github.com
https://security.netapp.com/advisory/ntap-20221028-0003/
security.netapp.com
and 40 more references View all →

Timeline

Published
Feb 16, 2022
Last Updated
Nov 21, 2024

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