CVE-2021-3753

CVSS V2 Low 1.9 CVSS V3 Medium 4.7
Description
A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality.
Overview
  • CVE ID
  • CVE-2021-3753
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-16T19:15:08
  • Last Modified Date
  • 2022-12-07T01:58:12
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.15
AND
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* 1 OR
cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* 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: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:M/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 1.9
  • Severity
  • LOW
  • Exploitability Score
  • 3.4
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 4.7
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1999589 Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/2287a51ba822384834dafc1c798453375d1107c7 Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20221028-0003/
https://www.openwall.com/lists/oss-security/2021/09/01/4 Exploit Mailing List Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3753
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3753
History
Created Old Value New Value Data Type Notes
2022-05-10 15:48:34 Added to TrackCVE
2022-12-06 10:00:05 2022-02-16T19:15Z 2022-02-16T19:15:08 CVE Published Date updated
2022-12-06 10:00:05 2022-10-28T17:15:15 CVE Modified Date updated
2022-12-06 10:00:06 Undergoing Analysis Vulnerability Status updated
2022-12-06 10:00:11 References updated
2022-12-07 02:13:40 2022-12-07T01:58:12 CVE Modified Date updated
2022-12-07 02:13:40 Undergoing Analysis Analyzed Vulnerability Status updated