CVE-2022-31243

Katalog CVE

CVSS 6.4 · Medium EPSS 0,16%

Kerentanan Time-of-check Time-of-use (TOCTOU) Race Condition pada insyde kernel. Skor CVSS 3.1 6.4 (Medium) menurut NVD.

Deskripsi (NVD)

Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe 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 FvbServicesRuntimeDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in Kernel 5.2: 05.27.21. Kernel 5.3: 05.36.21. Kernel 5.4: 05.44.21. Kernel 5.5: 05.52.21 https://www.insyde.com/security-pledge/SA-2022044

Rincian

Terbit di NVD

15 November 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.4 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

EPSS (30 hari)

0,16% peluang dieksploitasi; lebih tinggi dari 4,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.insyde.com/security-pledge advisory vendor
• https://www.insyde.com/security-pledge/SA-2022044 advisory vendor
• https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf