What is CVE-2018-20511?

CVE-2018-20511 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2018-20511 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-20511?

CVE-2018-20511 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:L/UI:N/S:U/C:H/I:N/A:N.

Is there a patch available for CVE-2018-20511?

No patch is currently available for CVE-2018-20511. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2018-20511 actively exploited?

CVE-2018-20511 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2018-20511

Medium

An issue was discovered in the Linux kernel before 4.18.11. The ipddp_ioctl function in drivers/net/appletalk/ipddp.c allows local users to obtain sensitive kernel address information by leveraging CAP_NET_ADMIN to read the ipddp_route dev and next fields via an SIOCFINDIPDDPRT ioctl call.

Package Linux Kernel

Published 2018-12-27

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

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-200

CVE-2018-20511 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2018-20511 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/106347

Third Party Advisory VDB Entry
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.11

Release Notes Vendor Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
Ubuntu Security
https://usn.ubuntu.com/4094-1/
Ubuntu Security
https://usn.ubuntu.com/4118-1/
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9824dfae5741275473a23a7ed5756c7b6efacc9d
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/9824dfae5741275473a23a7ed5756c7b6efacc9d
Patch
Kernel patch commit
https://lkml.org/lkml/2018/9/27/480
Patch

Details

CVE ID CVE-2018-20511

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.0

Published 2018-12-27

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-20511?

CVE-2018-20511 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2018-20511 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-20511?

CVE-2018-20511 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:L/UI:N/S:U/C:H/I:N/A:N.
Is there a patch available for CVE-2018-20511?

No patch is currently available for CVE-2018-20511. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2018-20511 actively exploited?

No — CVE-2018-20511 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →