CVE-2016-2053
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.47% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 40.7% of scored records. A rank, not a probability.
- NVD base score
- 4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-05-02 10:00Z10 YR AGO
- Last updated
- 2024-08-05 23:17Z2 YR AGO
- Reserved
- 2016-01-25
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 441d4d5e504bd49f6c640d85035cb6dabe24d4216fded0a465063525dd3958fc
05 Affected products
06 References
- lists.opensuse.orgSUSE-SU-2016:1690http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
- lists.opensuse.orgSUSE-SU-2016:2010http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html
- lists.opensuse.orgSUSE-SU-2016:2011http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html
- lists.opensuse.orgSUSE-SU-2016:2003http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1300237
- lists.opensuse.orgSUSE-SU-2016:1994http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html
- lists.opensuse.orgSUSE-SU-2016:1961http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html
- lists.opensuse.orgSUSE-SU-2016:2001http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html
- lists.opensuse.orgSUSE-SU-2016:1985http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- lists.opensuse.orgopenSUSE-SU-2016:2184http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- lists.opensuse.orgSUSE-SU-2016:2006http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html
- www.openwall.com[oss-security] 20160125 Re: Linux kernel : Denial of service with specially crafted key file.http://www.openwall.com/lists/oss-security/2016/01/25/4
- github.comhttps://github.com/torvalds/linux/commit/0d62e9dd6da45bbf0f33a8617afc5fe774c8f45f
- rhn.redhat.comRHSA-2016:2584http://rhn.redhat.com/errata/RHSA-2016-2584.html
- lists.opensuse.orgSUSE-SU-2016:2014http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html
- rhn.redhat.comRHSA-2016:2574http://rhn.redhat.com/errata/RHSA-2016-2574.html
- lists.opensuse.orgopenSUSE-SU-2016:1641http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
- www.securitytracker.com1036763http://www.securitytracker.com/id/1036763
- git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d62e9dd6da45bbf0f33a8617afc5fe774c8f45f
- lists.opensuse.orgSUSE-SU-2016:1672http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- lists.opensuse.orgSUSE-SU-2016:2009http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html
- lists.opensuse.orgSUSE-SU-2016:2005http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html
- lists.opensuse.orgSUSE-SU-2016:2007http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html
- lists.opensuse.orgSUSE-SU-2016:2000http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html
- lists.opensuse.orgSUSE-SU-2016:1995http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html
- lists.opensuse.orgSUSE-SU-2016:2105http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- lists.opensuse.orgSUSE-SU-2016:2002http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html
- lists.opensuse.orgSUSE-SU-2016:1937http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
07 Fixed in
Debian 12
- linux Fixed in 4.3.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.3.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.3.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- linux Fixed in 3.13.0-83.127
- linux-lts-utopic Fixed in 3.16.0-69.89~14.04.1
- linux-lts-vivid Fixed in 3.19.0-56.62~14.04.1
- linux-lts-wily Fixed in 4.2.0-35.40~14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.