What is CVE-2016-9604?

CVE-2016-9604 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10. CVE-2016-9604 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-9604?

CVE-2016-9604 has a CVSS score of 4.4 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Is there a patch available for CVE-2016-9604?

No patch is currently available for CVE-2016-9604. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-9604 actively exploited?

CVE-2016-9604 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2016-9604

Medium

It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its session keyring. This allows root to bypass module signature verification by adding a new public key of its own devising to the keyring.

Package Linux Kernel

Published 2018-07-11

Last modified 2024-11-21

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

4.4

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

None

Vector string

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

Weakness type

CWE-732

CVE-2016-9604 is classified as CWE-732

See CWE-732 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2016-9604 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

People
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-9604.html

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/102135

Third Party Advisory VDB Entry
Red Hat
https://access.redhat.com/errata/RHSA-2017:1842

Third Party Advisory
Red Hat
https://access.redhat.com/errata/RHSA-2017:2077

Third Party Advisory
Red Hat
https://access.redhat.com/errata/RHSA-2017:2669

Third Party Advisory
Bugzilla
https://bugzilla.novell.com/show_bug.cgi?id=1035576

Issue Tracking Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9604

Issue Tracking Third Party Advisory
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee8f844e3c5a73b999edf733df1c529d6503ec2f
Patch

Details

CVE ID CVE-2016-9604

Severity Medium

CVSS score 4.4 / 10

CVSS version 3.0

Published 2018-07-11

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-9604?

CVE-2016-9604 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10 . CVE-2016-9604 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-9604?

CVE-2016-9604 has a CVSS score of 4.4 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
Is there a patch available for CVE-2016-9604?

No patch is currently available for CVE-2016-9604. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-9604 actively exploited?

No — CVE-2016-9604 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.