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OpenEulerCVE-2020-15437

HistoryNov 23, 2020 - 9:15 p.m.

CVE-2020-15437

2020-11-2321:15:11

CWE-476

openEuler

web.nvd.nist.gov

190

linux kernel

vulnerability

null pointer

serial8250_isa_init_ports

nvd

cve-2020-15437

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.5

Confidence

Low

EPSS

Percentile

5.1%

JSON

The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized.

Affected configurations

Nvd

Node

linuxlinux_kernelRange<5.8

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

[
  {
    "product": "linux kernel",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "5.7 (verified), possibly others 4.18"
      }
    ]
  }
]