Medium severity4.7NVD Advisory· Published Dec 28, 2016· Updated Jun 17, 2026
CVE-2016-6213
CVE-2016-6213
Description
fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of mounts.
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Affected products
3Patches
Vulnerability mechanics
References
7- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- github.com/torvalds/linux/commit/d29216842a85c7970c536108e093963f02714498nvdPatch
- www.openwall.com/lists/oss-security/2016/07/13/8nvdMailing List
- bugzilla.redhat.com/show_bug.cginvdIssue Tracking
- www.securityfocus.com/bid/91754nvd
- access.redhat.com/errata/RHSA-2017:1842nvd
- access.redhat.com/errata/RHSA-2017:2077nvd
News mentions
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