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cve[email protected]CVE-2020-8992
HistoryFeb 14, 2020 - 5:15 a.m.

CVE-2020-8992

2020-02-1405:15:13
CWE-400
CWE-834
[email protected]
web.nvd.nist.gov
265
cve-2020-8992
nvd
linux kernel
denial of service
soft lockup
journal size

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

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.5

Confidence

High

EPSS

0

Percentile

14.2%

JSON

ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.

Affected configurations

NVD
Node
linuxlinux_kernelRange≤5.5.3
Node
canonicalubuntu_linuxMatch14.04esm
OR
canonicalubuntu_linuxMatch16.04esm
OR
canonicalubuntu_linuxMatch18.04lts
OR
canonicalubuntu_linuxMatch19.10
Node
opensuseleapMatch15.1
Node
netappactive_iq_unified_managerMatch-vmware_vsphere
OR
netappcloud_backupMatch-
OR
netappdata_availability_servicesMatch-
OR
netapphci_management_nodeMatch-
OR
netappsolidfireMatch-
OR
netappsteelstore_cloud_integrated_storageMatch-
Node
netapph410cMatch-
AND
netapph410c_firmwareMatch-
VendorProductVersionCPE
linuxlinux_kernelcpe:/o:linux:linux_kernel::::

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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

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.5

Confidence

High

EPSS

0

Percentile

14.2%

JSON
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