CVE-2022-30773 — Time-of-check Time-of-use (TOCTOU) Race Condition in Kernel
Severity
6.4MEDIUMNVD
EPSS
0.0%
top 88.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 14
Latest updateNov 15
Description
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
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.5 | Impact: 5.9
Affected Packages1 packages
🔴Vulnerability Details
2GHSA▶
GHSA-w9hw-r557-9gv3: 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↗2022-11-15
CVEList▶
CVE-2022-30773: 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↗2022-11-14