CVE-2018-20836
Estado: ModificadaAlta (8.1)—
An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 5.09%
- Percentil entre todas las CVEs puntuadas: 92
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (13)
Canonical — Ubuntu LinuxDebian — Debian LinuxF5 — Traffix Signaling Delivery ControllerLinux — Linux KernelNetapp — Active IQ Unified ManagerNetapp — HCI Compute NodeNetapp — SnapprotectNetapp — Solidfire & HCI Management NodeNetapp — Solidfire & HCI Storage NodeNetapp — Storage Replication Adapter FOR Clustered Data OntapNetapp — Vasa Provider FOR Clustered Data OntapNetapp — Virtual Storage ConsoleOpensuse — Leap
CWE
- CWE-362, CWE-416
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
- http://www.securityfocus.com/bid/108196
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae
- https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae
- https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html
- https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
- https://seclists.org/bugtraq/2019/Aug/13
- https://seclists.org/bugtraq/2019/Aug/18
- https://security.netapp.com/advisory/ntap-20190719-0003/
- https://support.f5.com/csp/article/K11225249
- https://usn.ubuntu.com/4076-1/
- https://www.debian.org/security/2019/dsa-4495
- https://www.debian.org/security/2019/dsa-4497
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
- http://www.securityfocus.com/bid/108196
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae
- https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae
- https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html
- https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
- https://seclists.org/bugtraq/2019/Aug/13
- https://seclists.org/bugtraq/2019/Aug/18
- https://security.netapp.com/advisory/ntap-20190719-0003/
- https://support.f5.com/csp/article/K11225249
- https://usn.ubuntu.com/4076-1/
- https://www.debian.org/security/2019/dsa-4495
- https://www.debian.org/security/2019/dsa-4497
JSON original (NVD)
Mostrar
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