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.
References (4)
Core 4
Core References
Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1999589
Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/2287a51ba822384834dafc1c798453375d1107c7
Third Party Advisory
https://security.netapp.com/advisory/ntap-20221028-0003/
Exploit, Mailing List, Patch, Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/09/01/4
Scores
CVSS v3
4.7
EPSS
0.0002
EPSS Percentile
3.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-125
CWE-362
Status
published
Products (13)
linux/linux_kernel
< 5.15
netapp/active_iq_unified_manager
netapp/bootstrap_os
netapp/element_software
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500s_firmware
netapp/h700s_firmware
netapp/hci_management_node
... and 3 more
Published
Feb 16, 2022
Tracked Since
Feb 18, 2026