CVE-2022-33982

CVSS V2 None CVSS V3 Medium 6.4
Description
DMA attacks on the parameter buffer used by the Int15ServiceSmm software SMI handler could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. DMA attacks on the parameter buffer used by the software SMI handler used by the driver Int15ServiceSmm could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.2: 05.27.23, Kernel 5.3: 05.36.23, Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23 CWE-367
Overview
  • CVE ID
  • CVE-2022-33982
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2022-11-14T23:15:11
  • Last Modified Date
  • 2023-02-14T12:15:15
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:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.5
  • Impact Score
  • 5.9
History
Created Old Value New Value Data Type Notes
2022-11-15 00:00:09 Added to TrackCVE
2022-12-07 17:42:59 2022-11-14T23:15Z 2022-11-14T23:15:11 CVE Published Date updated
2022-12-07 17:42:59 2022-11-18T16:01:04 CVE Modified Date updated
2022-12-07 17:42:59 Analyzed Vulnerability Status updated
2022-12-07 17:43:01 CPE Information updated
2023-02-14 13:13:27 2023-02-14T12:15:15 CVE Modified Date updated
2023-02-14 13:13:27 Analyzed Modified Vulnerability Status updated
2023-02-14 13:13:27 References updated