CVE-2018-12714

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Summary

CVECVE-2018-12714
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-06-24 23:29:00 UTC
Updated2023-01-19 16:13:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
Merge tag 'trace-v4.18-rc1' of git://git.kernel.org/pub/scm/linux/ker… · torvalds/linux@81f9c4e · GitHub MISC github.com Patch, Third Party Advisory
bug_repro/bug_200019 at master · lcytxw/bug_repro · GitHub MISC github.com Exploit, Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org Vendor Advisory
200019 – BUG: KASAN: slab-out-of-bounds in predicate_parse kernel/trace/trace_events_filter.c MISC bugzilla.kernel.org Issue Tracking, Vendor Advisory
Linux Kernel 'kernel/trace/trace_events_filter.c' Local Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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