CVE-2020-35499 (Medium) detected in linuxlinux-4.19.239

[mend-bolt-for-github[bot]]

CVE-2020-35499 - Medium Severity Vulnerability

Vulnerable Library - linuxlinux-4.19.239

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 8b7c061438f230c475fd8cd97a0917f6ebb9fbe0

Found in base branch: master

Vulnerable Source Files (2)

/net/bluetooth/sco.c /net/bluetooth/sco.c

Vulnerability Details

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. Mend Note: After conducting further research, Mend has determined that all versions of Linux Kernel up to version v5.10.4 are vulnerable to CVE-2020-35499.

Publish Date: 2021-02-19

URL: CVE-2020-35499

CVSS 3 Score Details (6.7)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: High - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2020-35499

Release Date: 2021-02-19

Fix Resolution: v5.10.4

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[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.