What is CVE-2018-6555?

CVE-2018-6555 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-2018-6555 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-6555?

CVE-2018-6555 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2018-6555?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2018-6555 patch availability.

Is CVE-2018-6555 actively exploited?

CVE-2018-6555 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-2018-6555

High

The irda_setsockopt function in net/irda/af_irda.c and later in drivers/staging/irda/net/af_irda.c in the Linux kernel before 4.17 allows local users to cause a denial of service (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket.

Package Linux Kernel

Published 2018-09-04

Last modified 2024-11-21

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-416

CVE-2018-6555 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

12 total

Spinics
https://www.spinics.net/lists/stable/msg255031.html

Patch Third Party Advisory
Spinics
https://www.spinics.net/lists/stable/msg255035.html

Patch Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/105304

Third Party Advisory VDB Entry
Debian Security
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3775-1/

Third Party Advisory

Showing 5 of 12 references View all on NVD

Details

CVE ID CVE-2018-6555

Severity High

CVSS score 7.8 / 10

CVSS version 3.0

Published 2018-09-04

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-6555?

CVE-2018-6555 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-2018-6555 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-6555?

CVE-2018-6555 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2018-6555?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2018-6555 patch availability.
Is CVE-2018-6555 actively exploited?

No. CVE-2018-6555 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.