CVE-2020-25639

CVSS V2 Medium 4.9 CVSS V3 Medium 4.4
Description
A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5.12-rc1 in the way the user calls ioctl DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC. This flaw allows a local user to crash the system.
Overview
  • CVE ID
  • CVE-2020-25639
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-04T22:15:13
  • Last Modified Date
  • 2021-03-10T20:47:30
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.11.2
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openshift_container_platform:4.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openshift_container_platform:4.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openshift_container_platform:4.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:messaging_realtime_grid:2.0:*:*:*:*:*:*:* 1 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:H/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 4.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1876995 Exploit Issue Tracking Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-25639
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25639
History
Created Old Value New Value Data Type Notes
2022-05-10 07:20:22 Added to TrackCVE
2022-12-05 23:09:20 2021-03-04T22:15Z 2021-03-04T22:15:13 CVE Published Date updated
2022-12-05 23:09:20 2021-03-10T20:47:30 CVE Modified Date updated
2022-12-05 23:09:20 Analyzed Vulnerability Status updated