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RedhatCVE-2020-35508

HistoryMar 26, 2021 - 5:15 p.m.

CVE-2020-35508

2021-03-2617:15:12

CWE-665

CWE-362

redhat

web.nvd.nist.gov

160

cve-2020-35508

linux kernel

race condition

process identification

signal handlers

nvd

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

4.5

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

5.1

Confidence

High

EPSS

Percentile

5.1%

JSON

A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.

Affected configurations

Nvd

Vulners

Node

linuxlinux_kernelRange<5.12

linuxlinux_kernelMatch5.12-

linuxlinux_kernelMatch5.12rc1

linuxlinux_kernelMatch5.12rc2

linuxlinux_kernelMatch5.12rc3

linuxlinux_kernelMatch5.12rc4

Node

redhatenterprise_linuxMatch8.0

Node

netappa700sMatch-

AND

netappa700s_firmwareMatch-

Node

netappbrocade_fabric_operating_system_firmwareMatch-

Node

netappfas8300Match-

AND

netappfas8300_firmwareMatch-

Node

netappfas8700Match-

AND

netappfas8700_firmwareMatch-

Node

netappaff_a400Match-

AND

netappaff_a400_firmwareMatch-

Node

netapph300sMatch-

AND

netapph300s_firmwareMatch-

Node

netapph500sMatch-

AND

netapph500s_firmwareMatch-

Node

netapph700sMatch-

AND

netapph700s_firmwareMatch-

Node

netapph300e_firmwareMatch-

AND

netapph300eMatch-

Node

netapph500e_firmwareMatch-

AND

netapph500eMatch-

Node

netapph700e_firmwareMatch-

AND

netapph700eMatch-

Node

netapph410s_firmwareMatch-

AND

netapph410sMatch-

Node

netapph410c_firmwareMatch-

AND

netapph410cMatch-

Node

netapph610c_firmwareMatch-

AND

netapph610cMatch-

Node

netapph610s_firmwareMatch-

AND

netapph610sMatch-

Node

netapph615c_firmwareMatch-

AND

netapph615cMatch-

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel5.12cpe:2.3:o:linux:linux_kernel:5.12:-:*:*:*:*:*:*
linuxlinux_kernel5.12cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:*
linuxlinux_kernel5.12cpe:2.3:o:linux:linux_kernel:5.12:rc2:*:*:*:*:*:*
linuxlinux_kernel5.12cpe:2.3:o:linux:linux_kernel:5.12:rc3:*:*:*:*:*:*
linuxlinux_kernel5.12cpe:2.3:o:linux:linux_kernel:5.12:rc4:*:*:*:*:*:*
redhatenterprise_linux8.0cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
netappa700s-cpe:2.3:h:netapp:a700s:-:*:*:*:*:*:*:*
netappa700s_firmware-cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:*
netappbrocade_fabric_operating_system_firmware-cpe:2.3:o:netapp:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	5.12	cpe:2.3:o:linux:linux_kernel:5.12:-::::::
linux	linux_kernel	5.12	cpe:2.3:o:linux:linux_kernel:5.12:rc1::::::
linux	linux_kernel	5.12	cpe:2.3:o:linux:linux_kernel:5.12:rc2::::::
linux	linux_kernel	5.12	cpe:2.3:o:linux:linux_kernel:5.12:rc3::::::
linux	linux_kernel	5.12	cpe:2.3:o:linux:linux_kernel:5.12:rc4::::::
redhat	enterprise_linux	8.0	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
netapp	a700s	-	cpe:2.3:h:netapp:a700s:-:::::::*
netapp	a700s_firmware	-	cpe:2.3:o:netapp:a700s_firmware:-:::::::*
netapp	brocade_fabric_operating_system_firmware	-	cpe:2.3:o:netapp:brocade_fabric_operating_system_firmware:-:::::::*

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CNA Affected

[
  {
    "product": "kernel",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "kernel 5.12"
      }
    ]
  }
]