CVE-2020-35499

kernel: NULL pointer dereference in sco_sock_getsockopt function

Loading…

Severity

Moderate

Red Hat Product Security

6.7

CVSS 3.1

Review impact separately from score.

Published · December 18, 2020

Updated · June 28, 2026

Description

A NULL pointer dereference flaw may be seen if sco_sock_getsockopt function in net/bluetooth/sco.c do not have a sanity check for a socket connection, when using BT_SNDMTU/BT_RCVMTU for SCO sockets. This could allow a local attacker with a special user privilege to crash the system (DOS) or leak kernel internal information.

Statement

There was no shipped kernel version were seen affected with this problem.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-476 · NULL Pointer Dereference