SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-35499

This could allow a local attacker with a special user privilege to crash the system (DOS) or leak kernel internal information.

MEDIUM 6.7EPSS 0.27%

Does this matter?

Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own.

Description

A NULL pointer dereference flaw in Linux kernel versions prior to 5.11 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.

CVSS 3.1
6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.27% probability · 20th percentile
CISA KEV
Not listed
Weakness
CWE-476
Affected
linux/linux kernel
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.