CVSS v3.1
6.4
EPSS
0.15%
Published
Nov 14, 2022
Modified
Apr 30, 2025
Public PoC / Exploit
All weaponized →No public PoC or exploit code indexed for this CVE.
Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
DMA transactions which are targeted at input buffers used for the software SMI handler used by the IdeBusDxe driver could cause SMRAM corruption through a TOCTOU attack... DMA transactions which are targeted at input buffers used for the software SMI handler used by the IdeBusDxe 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: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25 https://www.insyde.com/security-pledge/SA-2022049
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (3)
References (6)