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VULNERABILITIES

CVE-2014-4171 Details

Description

mm/shmem.c in the Linux kernel through 3.15.1 does not properly implement the interaction between range notification and hole punching, which allows local users to cause a denial of service (i_mutex hold) by using the mmap system call to access a hole, as demonstrated by interfering with intended shmem activity by blocking completion of (1) an MADV_REMOVE madvise call or (2) an FALLOC_FL_PUNCH_HOLE fallocate call.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html CVEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html CVEMailing ListThird Party Advisory
http://marc.info/?l=linux-mm-commits&m=140303745420549&w=2 CVEMailing ListThird Party Advisory
http://ozlabs.org/~akpm/mmots/broken-out/shmem-fix-faulting-into-a-hole-while-its-punched.patch CVEThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-1318.html CVEThird Party Advisory

see all 28 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
linux linux kernel
<= 3.15.1

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
canonical ubuntu linux
12.04

CPE

  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2014-4171
NVD Published Date:
Jun 23, 2014
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2014-4171 Details - Not Deferred