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Status published
High
CVE-2016-6516
Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the...
Vulnerability Description
Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a "double fetch" vulnerability.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20
- http://www.securityfocus.com/bid/92259
- http://www.openwall.com/lists/oss-security/2016/07/31/6
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20
- https://bugzilla.redhat.com/show_bug.cgi?id=1362457
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Affected Vendor
linux
View all reports →Affected Software
linux kernel
Vulnerable Versions:
0
Timeline
Official Publish:
August 6th, 2016
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.