DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). This issue was discovered by Insyde engineering. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367
Published 2022-11-14 22:15:13
Updated 2022-11-18 16:01:54
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-30773

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-30773

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
MEDIUM CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
0.5
5.9
NIST

CWE ids for CVE-2022-30773

  • The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-30773

Products affected by CVE-2022-30773

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