CVE-2020-15436

CVSS V2 High 7.2 CVSS V3 Medium 6.7
Description
Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.
Overview
  • CVE ID
  • CVE-2020-15436
  • Assigner
  • securities@openeuler.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-11-23T21:15:11
  • Last Modified Date
  • 2022-10-19T14:50:53
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.8
AND
cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h610c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h615c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:a700s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:aff_8700_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:aff_8700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:fas_8700_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:fas_8700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:aff_8300_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:aff_8300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:fas_8300_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:fas_8300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:fabric-attached_storage_a400_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:fabric-attached_storage_a400:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:a250_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:a250:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:aff_500f:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:fas_500f_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:fas_500f:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.7
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://lkml.org/lkml/2020/6/7/379 Exploit Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20201218-0002/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-15436
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15436
History
Created Old Value New Value Data Type Notes
2022-05-10 07:29:52 Added to TrackCVE
2022-12-05 17:13:38 2020-11-23T21:15Z 2020-11-23T21:15:11 CVE Published Date updated
2022-12-05 17:13:38 2022-10-19T14:50:53 CVE Modified Date updated
2022-12-05 17:13:38 Analyzed Vulnerability Status updated