CVE-2022-30774
MEDIUMInsyde Kernel 5.2-5.2.05.27.29 - Time-of-check Time-of-use Race Condition in PnpSmm Driver
Title source: llmDescription
DMA attacks on the parameter buffer used by the PnpSmm 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 PnpSmm 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 during a security review. This iss was fixed in Kernel 5.2: 05.27.29, Kernel 5.3: 05.36.25, Kernel 5.4: 05.44.25, Kernel 5.5: 05.52.25. CWE-367 https://www.insyde.com/security-pledge/SA-2022043
References (3)
Core 3
Core References
Vendor Advisory
https://www.insyde.com/security-pledge
Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022043
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf
Scores
CVSS v3
6.4
EPSS
0.0015
EPSS Percentile
4.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-367
Status
published
Products (1)
insyde/kernel
5.2 - 5.2.05.27.29
Published
Nov 15, 2022
Tracked Since
Feb 18, 2026