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Rewterz Threat Advisory – Multiple Linux Kernel Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-1073 CVSS:6.3

Linux Kernel could allow a physical authenticated attacker to gain elevated privileges on the system, caused by a memory corruption flaw in the human interface device (HID) subsystem. By using a specially crafted USB device , an attacker could exploit this vulnerability to gain elevated privileges or cause a denial of service condition.

CVE-2023-28464 CVSS:7.8

Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a double free flaw in the hci_conn_cleanup function in the Bluetooth subsystem. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges or cause a denial of service condition.

Impact

  • Privilege Escalation

Indicators Of Compromise

CVE

  • CVE-2023-1073
  • CVE-2023-28464

Affected Vendors

Linux

Affected Products

  • Linux Kernel
  • Linux Kernel 6.2-rc1
  • Linux Kernel 6.2

Remediation

Refer to Linux Kernel Website for patch, upgrade or suggested workaround information. 

CVE-2023-1073

CVE-2023-28464