What is CVE-2018-10940?

CVE-2018-10940 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2018-10940 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-10940?

CVE-2018-10940 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:N/I:N/A:H.

Is there a patch available for CVE-2018-10940?

No patch is currently available for CVE-2018-10940. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2018-10940 actively exploited?

CVE-2018-10940 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2018-10940

Medium

The cdrom_ioctl_media_changed function in drivers/cdrom/cdrom.c in the Linux kernel before 4.16.6 allows local attackers to use a incorrect bounds check in the CDROM driver CDROM_MEDIA_CHANGED ioctl to read out kernel memory.

Package Linux Kernel

Published 2018-05-09

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

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-119

CVE-2018-10940 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2018-10940 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/104154

Third Party Advisory VDB Entry
Red Hat
https://access.redhat.com/errata/RHSA-2018:2948
Red Hat
https://access.redhat.com/errata/RHSA-2018:3083
Red Hat
https://access.redhat.com/errata/RHSA-2018:3096
Debian Security
https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html

Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html
Debian Security
https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html
Debian Security
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
Ubuntu Security
https://usn.ubuntu.com/3676-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3676-2/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3695-1/
Ubuntu Security
https://usn.ubuntu.com/3695-2/
Ubuntu Security
https://usn.ubuntu.com/3754-1/
Kernel.org
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.6

Release Notes
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9de4ee40547fd315d4a0ed1dd15a2fa3559ad707
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/9de4ee40547fd315d4a0ed1dd15a2fa3559ad707
Patch

Details

CVE ID CVE-2018-10940

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.0

Published 2018-05-09

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-10940?

CVE-2018-10940 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2018-10940 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-10940?

CVE-2018-10940 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:N/I:N/A:H.
Is there a patch available for CVE-2018-10940?

No patch is currently available for CVE-2018-10940. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2018-10940 actively exploited?

No — CVE-2018-10940 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →