CVE-2020-35499

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.

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Third-Party Advisory redhat.com
Affected: n/a kernel
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1910048 patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2020-35499?
CVE-2020-35499 has been scored as a medium severity vulnerability.
How to fix CVE-2020-35499?
To fix CVE-2020-35499, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-35499 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-35499 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-35499?
CVE-2020-35499 affects n/a kernel.
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