CVE-2020-8992

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
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.
Overview
  • CVE ID
  • CVE-2020-8992
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-02-14T05:15:13
  • Last Modified Date
  • 2022-04-27T15:31:08
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.5.3
AND
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* 1 OR
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://patchwork.ozlabs.org/patch/1236118/ Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20200313-0003/ Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html Mailing List Third Party Advisory
https://usn.ubuntu.com/4318-1/ Third Party Advisory
https://usn.ubuntu.com/4324-1/ Third Party Advisory
https://usn.ubuntu.com/4344-1/ Third Party Advisory
https://usn.ubuntu.com/4342-1/ Third Party Advisory
https://usn.ubuntu.com/4419-1/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-8992
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8992
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:03 Added to TrackCVE
2022-12-04 11:22:34 2020-02-14T05:15Z 2020-02-14T05:15:13 CVE Published Date updated
2022-12-04 11:22:34 2022-04-27T15:31:08 CVE Modified Date updated
2022-12-04 11:22:34 Analyzed Vulnerability Status updated