CVE-2022-33905

CVSS V2 None CVSS V3 High 7
Description
DMA transactions which are targeted at input buffers used for the AhciBusDxe software SMI handler could cause SMRAM corruption (a TOCTOU attack). DMA transactions which are targeted at input buffers used for the software SMI handler used by the AhciBusDxe driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group, Fixed in kernel 5.2: 05.27.23, kernel 5.3: 05.36.23, kernel 5.4: 05.44.23, kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022047
Overview
  • CVE ID
  • CVE-2022-33905
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-11-15T00:15:11
  • Last Modified Date
  • 2022-11-18T15:49:40
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* 1 OR 5.2 5.2.05.27.23
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* 1 OR 5.3 5.3.05.36.23
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* 1 OR 5.4 5.4.05.44.23
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* 1 OR 5.5 5.5.05.52.23
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
History
Created Old Value New Value Data Type Notes
2022-11-15 01:00:14 Added to TrackCVE
2022-12-07 17:43:22 2022-11-15T00:15Z 2022-11-15T00:15:11 CVE Published Date updated
2022-12-07 17:43:22 2022-11-18T15:49:40 CVE Modified Date updated
2022-12-07 17:43:22 Analyzed Vulnerability Status updated
2022-12-07 17:43:24 CPE Information updated