PT-2023-13068 · Insyde · Insydeh2O

CVE-2022-32475 · Publicado 2023-02-15 · Atualizado 2023-02-25

Positive Technologies (AI Summary)

CVSS v3.1

7.0

Alta

Vetor base

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Insyde InsydeH2O kernel versions 5.0 through 5.5

Description An issue was discovered in Insyde InsydeH2O where DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues, leading to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code.

Recommendations For kernel versions 5.0 through 5.5, update the kernel to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Time Of Check To Time Of Use

Enumeração de Fraquezas

CWE-367

Identificadores relacionados

CVE-2022-32475

Produtos afetados

Insydeh2O

Referências · 7

• https://t.me/cvenotify/44990 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2022-32475 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2022-32475 · Aviso do Fabricante
• https://t.me/cvenotify/44343 · Publicação no Telegram
• https://insyde.com/security-pledge/SA-2023007 · Aviso do Fabricante
• https://insyde.com/security-pledge · Aviso do Fabricante
• https://t.me/cibsecurity/58224 · Publicação no Telegram