CVE-2021-3501

CVSS V2 Low 3.6 CVSS V3 High 7.1
Description
A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.
Overview
  • CVE ID
  • CVE-2021-3501
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-06T13:15:12
  • Last Modified Date
  • 2022-05-13T20:52:55
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.12
AND
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_for_real_time:8:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.4:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:* 1 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: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:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 3.6
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.2
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1950136 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c4f2ee3f68c9a4bf1653d15f1a9a435ae33f7a Mailing List Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20210618-0008/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3501
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3501
History
Created Old Value New Value Data Type Notes
2022-05-10 07:10:49 Added to TrackCVE
2022-12-05 01:39:04 2021-05-06T13:15Z 2021-05-06T13:15:12 CVE Published Date updated
2022-12-05 01:39:04 2022-05-13T20:52:55 CVE Modified Date updated
2022-12-05 01:39:04 Analyzed Vulnerability Status updated