What is CVE-2019-19543?

CVE-2019-19543 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2019-19543 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2019-19543?

CVE-2019-19543 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2019-19543?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-19543 patch availability.

Is CVE-2019-19543 actively exploited?

CVE-2019-19543 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2019-19543

High

In the Linux kernel before 5.1.6, there is a use-after-free in serial_ir_init_module() in drivers/media/rc/serial_ir.c.

Package Linux Kernel

Published 2019-12-03

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2019-19543 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

4 total

Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.6

Release Notes Vendor Advisory
Kernel Git
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=56cd26b618855c9af48c8301aa6754ced8dd0beb

Patch Vendor Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
Security
https://security.netapp.com/advisory/ntap-20200924-0005/

Details

CVE ID CVE-2019-19543

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2019-12-03

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2019-19543?

CVE-2019-19543 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2019-19543 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2019-19543?

CVE-2019-19543 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2019-19543?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-19543 patch availability.
Is CVE-2019-19543 actively exploited?

No. CVE-2019-19543 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.