CVE-2020-25668

CVSS V2 Medium 6.9 CVSS V3 High 7
Description
A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.
Overview
  • CVE ID
  • CVE-2020-25668
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-26T12:15:15
  • Last Modified Date
  • 2022-08-05T15:59:36
Weakness Enumerations
CWE URL
CWE-662 http://cwe.mitre.org/data/definitions/662.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:linux:linux_kernel:5.9.2:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 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:h300s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* 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:500f_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:500f:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 Mailing List Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/10/30/1, Exploit Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/04/3 Exploit Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1893287, Broken Link
http://www.openwall.com/lists/oss-security/2020/10/30/1 Exploit Mailing List Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/04/3, Exploit Mailing List Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0005/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-25668
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25668
History
Created Old Value New Value Data Type Notes
2022-05-10 07:09:05 Added to TrackCVE
2022-12-05 03:00:03 2021-05-26T12:15Z 2021-05-26T12:15:15 CVE Published Date updated
2022-12-05 03:00:03 2022-08-05T15:59:36 CVE Modified Date updated
2022-12-05 03:00:03 Analyzed Vulnerability Status updated