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Rewterz Threat Advisory – CVE-2022-25375 – Linux Kernel Vulnerability
February 22, 2022
Rewterz Threat Alert – QBot and Cobalt Strike strike using Zerologon Vulnerability – Active IOCs
February 22, 2022
Rewterz Threat Advisory – CVE-2022-25375 – Linux Kernel Vulnerability
February 22, 2022
Rewterz Threat Alert – QBot and Cobalt Strike strike using Zerologon Vulnerability – Active IOCs
February 22, 2022
Severity
Medium
Analysis Summary
CVE-2022-21813
NVIDIA GPU Display Driver for Linux is vulnerable to a denial of service, caused by improper handling of insufficient permissions or privileges in the kernel driver package. By sending a specially-crafted request, a local authenticated attacker could exploit this vulnerability to cause a denial of service.
CVE-2022-21814
NVIDIA GPU Display Driver for Linux is vulnerable to a denial of service, caused by improper handling of insufficient permissions or privileges in the kernel driver package. By sending a specially-crafted request, a local authenticated attacker could exploit this vulnerability to cause a denial of service.
CVE-2022-21815
NVIDIA GPU Display Driver for Windows is vulnerable to a denial of service, caused by a NULL pointer dereference in the kernel mode layer (nvlddmkm.sys) handler for private IOCTLs. By sending a specially-crafted request, a local authenticated attacker could exploit this vulnerability to cause a system crash.
Impact
- Denial of Service
Indicators of Compromise
CVE
- CVE-2022-21813
- CVE-2022-21814
- CVE-2022-21815
Affected Vendors
- NVIDIA
Affected Products
- NVIDIA GPU Display Driver for Linux
- NVIDIA GPU Display Driver for Windows
Remediation
Refer to NVIDIA Security Bulletin Answer for patch, upgrade, or suggested workaround information.