What is CVE-2016-2053?

CVE-2016-2053 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10. CVE-2016-2053 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-2053?

CVE-2016-2053 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2016-2053?

No patch is currently available for CVE-2016-2053. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-2053 actively exploited?

CVE-2016-2053 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2016-2053

Medium

The asn1_ber_decoder function in lib/asn1_decoder.c in the Linux kernel before 4.3 allows attackers to cause a denial of service (panic) via an ASN.1 BER file that lacks a public key, leading to mishandling by the public_key_verify_signature function in crypto/asymmetric_keys/public_key.c.

Package Linux Kernel

Published 2016-05-02

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-310

CVE-2016-2053 is classified as CWE-310

See CWE-310 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2016-2053 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html

Mailing List Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-2574.html

Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-2584.html

Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2016/01/25/4

Mailing List Third Party Advisory
Securitytracker
http://www.securitytracker.com/id/1036763

Third Party Advisory VDB Entry
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1300237

Issue Tracking Third Party Advisory
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d62e9dd6da45bbf0f33a8617afc5fe774c8f45f
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/0d62e9dd6da45bbf0f33a8617afc5fe774c8f45f
Patch

Details

CVE ID CVE-2016-2053

Severity Medium

CVSS score 4.7 / 10

CVSS version 3.0

Published 2016-05-02

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-2053?

CVE-2016-2053 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 . CVE-2016-2053 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-2053?

CVE-2016-2053 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2016-2053?

No patch is currently available for CVE-2016-2053. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-2053 actively exploited?

No — CVE-2016-2053 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.