CVE-2016-6516
HIGH 7.4EPSS 0.9%
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.
- CVSS v3.0 NVD
- 7.4 HIGH
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 4.4 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P - EPSS
- 0.95% chance of exploitation in the next 30 days, 61st percentile
- Published
- 2016-08-06
- Updated
- 2024-08-06
Proof-of-concept exploits (1)
- wpengfei/CVE-2016-6516-exploit9★ · 2018-02-26
Security advisories
- https://bugzilla.redhat.com/show_bug.cgi?id=1362457
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce791876…
- torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20
- http://www.openwall.com/lists/oss-security/2016/07/31/6
- http://www.securityfocus.com/bid/92259