CVE-2016-4581
fs/pnode.c in the Linux kernel before 4.5.4 does not properly traverse a mount propagation tree in a certain case involving a slave mount, which allows local users to cause a denial of service (NULL
02 Description
fs/pnode.c in the Linux kernel before 4.5.4 does not properly traverse a mount propagation tree in a certain case involving a slave mount, which allows local users to cause a denial of service (NULL
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
- 0.55% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 45.8% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/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
- 2016-05-23 10:00Z10 YR AGO
- Last updated
- 2024-08-06 00:32Z2 YR AGO
- Reserved
- 2016-05-11
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 2015b97d3b963bf065c37be5d2f94d2b86f4105e60fe59db0f8c430ac4dda63e
05 Affected products
06 References
- www.ubuntu.comUSN-3006-1http://www.ubuntu.com/usn/USN-3006-1
- www.ubuntu.comUSN-3004-1http://www.ubuntu.com/usn/USN-3004-1
- www.securityfocus.com90607http://www.securityfocus.com/bid/90607
- www.ubuntu.comUSN-3001-1http://www.ubuntu.com/usn/USN-3001-1
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- www.ubuntu.comUSN-3005-1http://www.ubuntu.com/usn/USN-3005-1
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4
- rhn.redhat.comRHSA-2016:2584http://rhn.redhat.com/errata/RHSA-2016-2584.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.ubuntu.comUSN-3000-1http://www.ubuntu.com/usn/USN-3000-1
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1333712
- www.debian.orgDSA-3607http://www.debian.org/security/2016/dsa-3607
- github.comhttps://github.com/torvalds/linux/commit/5ec0811d30378ae104f250bfc9b3640242d81e3f
- www.ubuntu.comUSN-3002-1http://www.ubuntu.com/usn/USN-3002-1
- www.ubuntu.comUSN-2989-1http://www.ubuntu.com/usn/USN-2989-1
- git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5ec0811d30378ae104f250bfc9b3640242d81e3f
- www.ubuntu.comUSN-3007-1http://www.ubuntu.com/usn/USN-3007-1
- www.openwall.com[oss-security] 20160511 CVE request: Mishandling the first propagated copy being a slavehttp://www.openwall.com/lists/oss-security/2016/05/11/2
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- www.ubuntu.comUSN-3003-1http://www.ubuntu.com/usn/USN-3003-1
- www.ubuntu.comUSN-2998-1http://www.ubuntu.com/usn/USN-2998-1
07 Fixed in
Debian 12
- linux Fixed in 4.5.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.5.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.5.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- linux Fixed in 3.13.0-87.133
- linux-lts-utopic Fixed in 3.16.0-73.95~14.04.1
- linux-lts-vivid Fixed in 3.19.0-61.69~14.04.1
- linux-lts-wily Fixed in 4.2.0-38.45~14.04.1
- linux-lts-xenial Fixed in 4.4.0-24.43~14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- linux Fixed in 4.4.0-24.43
- linux-raspi2 Fixed in 4.4.0-1012.16
- linux-snapdragon Fixed in 4.4.0-1015.18
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.