What is CVE-2018-14611?

CVE-2018-14611 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2018-14611 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-14611?

CVE-2018-14611 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2018-14611?

No patch is currently available for CVE-2018-14611. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2018-14611 actively exploited?

CVE-2018-14611 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-2018-14611

Medium

An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.

Package Linux Kernel

Published 2018-07-27

Last modified 2024-11-21

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2018-14611 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

The following references provide additional information about CVE-2018-14611 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Securityfocus
http://www.securityfocus.com/bid/104917

Third Party Advisory VDB Entry
Kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=199839

Exploit Issue Tracking Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
Debian Security
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
Ubuntu Security
https://usn.ubuntu.com/3932-1/
Ubuntu Security
https://usn.ubuntu.com/3932-2/
Ubuntu Security
https://usn.ubuntu.com/4094-1/
Ubuntu Security
https://usn.ubuntu.com/4118-1/
Kernel patch commit
https://patchwork.kernel.org/patch/10503099/
Patch

Details

CVE ID CVE-2018-14611

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.0

Published 2018-07-27

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-14611?

CVE-2018-14611 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2018-14611 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-14611?

CVE-2018-14611 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2018-14611?

No patch is currently available for CVE-2018-14611. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2018-14611 actively exploited?

No — CVE-2018-14611 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (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. View CWE-416 on MITRE CWE →