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Medium severity · published May 23, 2016
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…
5.5
CVSS
0.6%
EPSS
No
On KEV
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 pointer dereference and OOPS) via a crafted series of mount system calls.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
through 4.5.3 · source: NVD
LI
Linux · Oracle
6 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 15.10; 16.04 · source: NVD
Affected product
KE
Kernel
Linux
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4581
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4581
git.kernel.org
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5ec0811d30378ae104f250bfc9b3640242d81e3f
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2574.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2584.html
www.debian.org
http://www.debian.org/security/2016/dsa-3607
www.kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4
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