CVE-2020-15437 (Medium) detected in linuxlinux-4.19.238 - autoclosed

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

CVE-2020-15437 - Medium Severity Vulnerability

Vulnerable Library - linuxlinux-4.19.238

The Linux Kernel

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

Found in HEAD commit: 63fcdaa32317d63a37988731632cf4e8d4c6072a

Found in base branch: master

Vulnerable Source Files (2)

/drivers/tty/serial/8250/8250_core.c /drivers/tty/serial/8250/8250_core.c

Vulnerability Details

The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized. Mend Note: After conducting further research, Mend has determined that versions v3.9-rc5 through v4.4.231, v4.5-rc1 through v4.9.231, v4.10-rc1 through v4.14.189, v4.15-rc1 through v4.19.134, v5.0-rc1 through v5.4.53, v5.5-rc1 through v5.7.10 and v5.8-rc1 through v5.8-rc6 of Linux Kernel are vulnerable to CVE-2020-15437.

Publish Date: 2020-11-23

URL: CVE-2020-15437

CVSS 3 Score Details (4.4)

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2020-15437

Release Date: 2020-11-23

Fix Resolution: v4.4.232, v4.9.232, v4.14.190, v4.19.135, v5.4.54, v5.7.11, v5.8-rc7

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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.

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

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.