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[email protected]CVE-2021-3753

HistoryFeb 16, 2022 - 7:15 p.m.

CVE-2021-3753

2022-02-1619:15:08

CWE-125

CWE-362

[email protected]

web.nvd.nist.gov

160

cve-2021-3753

race problem

vt_k_ioctl

out of bounds read

linux kernel

data confidentiality

nvd

1.9 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:N/A:N

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

24.4%

JSON

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.

Affected configurations

Vulners

NVD

Node

linuxlinux_kernelRange≤5.15

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "kernel",
    "versions": [
      {
        "version": "Linux kernel 5.15-rc1",
        "status": "affected"
      }
    ]
  }
]