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CVE-2014-4171

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CVE-2014-4171

Published: Jun 23, 2014

Modified: Aug 6, 2024

PUBLISHED

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.

VendorProductVersions

n/a

n/a

affected
n/a

References

RHSA-2014:1318
vendor-advisory
x_refsource_REDHAT
68157
vdb-entry
x_refsource_BID
SUSE-SU-2014:1316
vendor-advisory
x_refsource_SUSE
USN-2335-1
vendor-advisory
x_refsource_UBUNTU
USN-2334-1
vendor-advisory
x_refsource_UBUNTU
SUSE-SU-2014:1319
vendor-advisory
x_refsource_SUSE
60564
third-party-advisory
x_refsource_SECUNIA
59777
third-party-advisory
x_refsource_SECUNIA
1030450
vdb-entry
x_refsource_SECTRACK
RHSA-2015:0102
vendor-advisory
x_refsource_REDHAT

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