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cve[email protected]CVE-2018-20836
HistoryMay 07, 2019 - 2:29 p.m.

CVE-2018-20836

2019-05-0714:29:00
CWE-362
CWE-416
[email protected]
web.nvd.nist.gov
410
3
linux
kernel
race condition
smp_task_timedout
smp_task_done
use-after-free
cve-2018-20836
nvd

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.8%

JSON

An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.

Affected configurations

NVD
Node
linuxlinux_kernelRange<3.16.72
OR
linuxlinux_kernelRange3.17–3.18.140
OR
linuxlinux_kernelRange3.19–4.4.180
OR
linuxlinux_kernelRange4.5–4.9.175
OR
linuxlinux_kernelRange4.10–4.14.118
OR
linuxlinux_kernelRange4.15–4.19.42
Node
canonicalubuntu_linuxMatch16.04esm
Node
debiandebian_linuxMatch8.0
OR
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
Node
f5traffix_signaling_delivery_controllerMatch5.0.0
OR
f5traffix_signaling_delivery_controllerMatch5.1.0
Node
netappactive_iq_unified_managerRange9.5≥vmware_vsphere
OR
netappsnapprotectMatch-
OR
netappsolidfire_\&_hci_management_nodeMatch-
OR
netappsolidfire_\&_hci_storage_nodeMatch-
OR
netappstorage_replication_adapter_for_clustered_data_ontapMatch-vmware_vsphere
OR
netappvasa_provider_for_clustered_data_ontapRange7.2≥
OR
netappvirtual_storage_consoleRange7.2≥vmware_vsphere
OR
netapphci_compute_nodeMatch-
Node
opensuseleapMatch15.0
OR
opensuseleapMatch15.1

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9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.8%

JSON
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