Critical severity9.8NVD Advisory· Published Jun 24, 2018· Updated Jun 17, 2026
CVE-2018-12714
CVE-2018-12714
Description
An issue was discovered in the Linux kernel through 4.17.2. The filter parsing in kernel/trace/trace_events_filter.c could be called with no filter, which is an N=0 case when it expected at least one line to have been read, thus making the N-1 index invalid. This allows attackers to cause a denial of service (slab out-of-bounds write) or possibly have unspecified other impact via crafted perf_event_open and mmap system calls.
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Affected products
2- Range: <=4.17.2
Patches
Vulnerability mechanics
References
5- github.com/torvalds/linux/commit/81f9c4e4177d31ced6f52a89bb70e93bfb77ca03nvdPatchThird Party Advisory
- github.com/lcytxw/bug_repro/tree/master/bug_200019nvdExploitThird Party Advisory
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdVendor Advisory
- www.securityfocus.com/bid/104544nvdThird Party AdvisoryVDB Entry
- bugzilla.kernel.org/show_bug.cginvdIssue TrackingVendor Advisory
News mentions
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