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[email protected]CVE-2020-10773

HistorySep 10, 2020 - 5:15 p.m.

CVE-2020-10773

2020-09-1017:15:27

CWE-626

[email protected]

web.nvd.nist.gov

190

cve-2020-10773

nvd

stack information leak

s390

s390x

linux kernel

memory manager

/proc/sys/vm/cmm_timeout

local user

security vulnerability

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

Confidence

Low

EPSS

Percentile

5.1%

JSON

A stack information leak flaw was found in s390/s390x in the Linux kernel’s memory manager functionality, where it incorrectly writes to the /proc/sys/vm/cmm_timeout file. This flaw allows a local user to see the kernel data.

Affected configurations

Vulners

NVD

Node

redhatkernelRange≤5.4

VendorProductVersionCPE
linuxlinux_kernel5.4.0cpe:/o:linux:linux_kernel:5.4.0:rc6::

Vendor	Product	Version	CPE
linux	linux_kernel	5.4.0	cpe:/o:linux:linux_kernel:5.4.0:rc6::

CNA Affected

[
  {
    "product": "kernel",
    "vendor": "[UNKNOWN]",
    "versions": [
      {
        "status": "affected",
        "version": "kernel-5.4-rc6"
      }
    ]
  }
]