What is CVE-2018-11412?

CVE-2018-11412 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.9 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2018-11412 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-11412?

CVE-2018-11412 has a CVSS score of 5.9 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2018-11412?

No patch is currently available for CVE-2018-11412. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2018-11412 actively exploited?

CVE-2018-11412 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-2018-11412

Medium

In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.

Package Linux Kernel

Published 2018-05-24

Last modified 2024-11-21

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

5.9

out of 10

Medium

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2018-11412 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-2018-11412 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/104291

Third Party Advisory VDB Entry
Red Hat
https://access.redhat.com/errata/RHSA-2019:0525

Third Party Advisory
Bugs
https://bugs.chromium.org/p/project-zero/issues/detail?id=1580

Exploit Third Party Advisory
Kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=199803

Exploit Issue Tracking Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3752-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3752-2/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3752-3/

Third Party Advisory
Exploit-DB
https://www.exploit-db.com/exploits/44832/

Exploit Third Party Advisory VDB Entry

Details

CVE ID CVE-2018-11412

Severity Medium

CVSS score 5.9 / 10

CVSS version 3.0

Published 2018-05-24

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-11412?

CVE-2018-11412 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.9 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2018-11412 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-11412?

CVE-2018-11412 has a CVSS score of 5.9 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2018-11412?

No patch is currently available for CVE-2018-11412. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2018-11412 actively exploited?

No — CVE-2018-11412 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 →