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CRITICAL

CVE-2018-12714

CVSS v3

9.8

CRITICAL

Score EPSS

1.7 %

probabilité d’exploitation

CISA KEV

Non

exploitation connue

Exploitation

statut SSVC

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.

Détails techniques

Publiée le
2018-06-24

Questions fréquentes

Qu’est-ce que CVE-2018-12714 ?

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.

CVE-2018-12714 est-elle activement exploitée ?

Aucune exploitation active de CVE-2018-12714 n’est confirmée. Le score EPSS est de 1.7 %, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2018-12714 ?

CVE-2018-12714 a un score de base CVSS v3 de 9.8 (gravité CRITICAL).

CVE-2018-12714 touche-t-elle votre environnement ?

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