What is CVE-2018-12904?

CVE-2018-12904 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10. CVE-2018-12904 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-12904?

CVE-2018-12904 has a CVSS score of 4.9 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Is there a patch available for CVE-2018-12904?

No patch is currently available for CVE-2018-12904. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2018-12904 actively exploited?

CVE-2018-12904 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2018-12904

Medium

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.

Package Linux Kernel

Published 2018-06-27

Last modified 2024-11-21

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

4.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Vector string

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

References

The following references provide additional information about CVE-2018-12904 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Bugs
https://bugs.chromium.org/p/project-zero/issues/detail?id=1589

Exploit Third Party Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.2

Release Notes Vendor 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/44944/

Exploit Third Party Advisory VDB Entry
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=727ba748e110b4de50d142edca9d6a9b7e6111d8
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8
Patch

Details

CVE ID CVE-2018-12904

Severity Medium

CVSS score 4.9 / 10

CVSS version 3.0

Published 2018-06-27

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-12904?

CVE-2018-12904 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 . CVE-2018-12904 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-12904?

CVE-2018-12904 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
Is there a patch available for CVE-2018-12904?

No patch is currently available for CVE-2018-12904. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2018-12904 actively exploited?

No — CVE-2018-12904 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.