Rewterz Threat Advisory – CVE-2020-35499 – Linux Kernel denial of service

Severity

Medium

Analysis Summary

CVE-2020-35499

Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference flaw in the sco_sock_getsockopt function in net/bluetooth/sco.c. By sending a specially-crafted request using BT_SNDMTU/BT_RCVMTU for SCO sockets, a local authenticated attacker could exploit this vulnerability to cause the system to crash or kernel internal information.

Impact

Denial of Service

Affected Vendors

Linux

Affected Products

Linux Kernel 5.10

Remediation

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

Linux Kernel GIT Repository