CVE-2021-41837

תיאור (מקור, אנגלית)

An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

מדדים

CVSS 3.1

8.2 (HIGH) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-14/10/2026

CWE

CWE-119

מוצרים מושפעים

insyde: insydeh2o; siemens: simatic field pg m5 firmware; siemens: simatic field pg m5; siemens: simatic field pg m6 firmware; siemens: simatic field pg m6; siemens: simatic ipc127e firmware; siemens: simatic ipc127e; siemens: simatic ipc227g firmware; siemens: simatic ipc227g; siemens: simatic ipc277g firmware; siemens: simatic ipc277g; siemens: simatic ipc327g firmware; siemens: simatic ipc327g; siemens: simatic ipc377g firmware; siemens: simatic ipc377g

קישורים

• https://www.insyde.com/security-pledge Vendor Advisory
• https://www.insyde.com/security-pledge/SA-2022024 Vendor Advisory
• https://www.insyde.com/security-pledge Vendor Advisory
• https://www.insyde.com/security-pledge/SA-2022024 Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
• https://security.netapp.com/advisory/ntap-20220222-0003/ Third Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
• https://security.netapp.com/advisory/ntap-20220222-0003/ Third Party Advisory
• https://www.kb.cert.org/vuls/id/796611
• https://cert-portal.siemens.com/productcert/html/ssa-306654.html