6.5Media

CVE-2026-86856Dpdk: dpdk: stack and heap buffer overflow in nfp vdpa driver

Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 9; Red Hat Fast Datapath for RHEL 10 Publicada: 2026-10-14 20:52 (hace 1 mes)

Descripción

A flaw was found in the DPDK nfp vDPA driver. Stack and heap buffers sized for a single queue pair can be overflowed when more virtqueues are configured, leading to a host crash or memory corruption.

Debilidad (CWE): CWE-787

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Fabricante	Producto	Versiones
enterprise linux	10	—
enterprise linux	8	—
enterprise linux	9	—
Red Hat	Fast Datapath for RHEL 10	all versions
Red Hat	Fast Datapath for RHEL 8	all versions
Red Hat	Fast Datapath for RHEL 9	all versions
Red Hat	Red Hat Enterprise Linux 10	all versions
Red Hat	Red Hat Enterprise Linux 8	all versions
Red Hat	Red Hat Enterprise Linux 9	all versions
Red Hat	Red Hat OpenShift Container Platform 4	all versions
Red Hat	Red Hat OpenStack Platform 13 (Queens)	all versions

Referencias y parches

RHSA-2026:94629 vendor-advisory
RHSA-2026:94630 vendor-advisory
RHSA-2026:96083 vendor-advisory
RHSA-2026:98505 vendor-advisory
RHSA-2026:98616 vendor-advisory
https://access.redhat.com/security/cve/CVE-2026-86856 vdb-entry
RHBZ#2529897 issue-tracking

Puntuación CVSS

6.5Media

Fuente: redhat · CVSS 3.1

Vector de ataque: Local
Complejidad: Baja
Privilegios: Bajos
Interacción del usuario: Ninguna
Alcance: Cambiado
Confidencialidad: Ninguno
Integridad: Ninguno
Disponibilidad: Alto

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Todas las puntuaciones (2)

cna	CVSS 3.1	6.5Media
secalert@redhat.com	CVSS 3.1	6.5Media

EPSS (probabilidad de explotación en 30 días)

0.17%

superior al 7 % de todas las CVE

Evaluación de CISA (SSVC)

Explotación: none
Automatizable: no
Impacto técnico: partial

Cronología

ID reservado2026-09-08
Publicada2026-10-14 20:52
Llegó a IP-DB2026-10-24 23:50
Última actualización2026-11-11 17:17

Asignada por (CNA): redhat
Estado en NVD: Awaiting Analysis

Ver en la fuente: CVE.org · NVD

Reciba un aviso cuando estos productos tengan una vulnerabilidad nueva

Activar alertas por correo

Gratis · con cuenta · se desactiva cuando quiera

CVE recientes del mismo producto — Red Hat Enterprise Linux

6.2Media

CVE-2026-128886 hace 20 horas

Dbus: server accept watch can be stalled by blocking nonce-tcp accept_with_noncefile path

Red Hat Red Hat Enterprise Linux 10

A flaw was found in dbus when configured with the nonce-tcp transport. An unauthenticated attacker able to connect to an exposed listener can cause a Denial of Service (DoS) by opening a connection and withholding the expected authentication token. Because th…

5.5Media

CVE-2026-110330 hace 20 horas

Abrt: abrt: abrt-server trusts client-supplied pid= allowing unprivileged read of other processes' /proc environ

Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7; Red Hat Red Hat Enterprise Linux 8

A flaw was found in abrt. abrt-server trusts a client-supplied PID when creating problem dumps over abrt.socket and, running as root, copies that process's /proc data (including environ) into a dump directory owned by the connecting unprivileged user. This al…

7.8Alta

CVE-2026-110331 hace 20 horas

Abrt: abrt: incomplete cve-2026-54228/54229 fix — completeness gate bypassed via attacker-supplied count element

Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7; Red Hat Red Hat Enterprise Linux 8

A flaw was found in abrt. The completeness check introduced to mitigate CVE-2026-54228 and CVE-2026-54229 only verifies that a dump directory contains a "count" element, which an unprivileged user can create. This allows a local attacker to bypass the guard a…

6.2Media

CVE-2026-128987 hace 21 horas

Dbus: infinite cpu-spin loop in libdbus socket transport when epipe is received during write operations

Red Hat Red Hat Enterprise Linux 10

A flaw was found in dbus. A local attacker can exploit this vulnerability by connecting to an affected service, requesting a response, and stopping socket reads while keeping the connection open. Because the socket transport handles broken pipe write errors a…

5.5Media

CVE-2026-128885 hace 21 horas

Dbus: stack out-of-bounds write in dbus _dbus_poll() select() fallback when file descriptor exceeds fd_setsize

Red Hat Red Hat Enterprise Linux 10

A flaw was found in D-Bus. In configurations where the daemon falls back to using the Unix select() mechanism for event monitoring, it does not verify whether file descriptor numbers exceed allocated limits. A local attacker can exploit this flaw by opening a…

8.8Alta

CVE-2026-18379 ayer

Yggdrasil-worker-package-manager: yggdrasil-worker-package-manager: path traversal via unsanitized repo name in addrepo/removerepo

Red Hat Red Hat Enterprise Linux 10

A flaw was found in yggdrasil-worker-package-manager. An authenticated attacker can exploit this issue to achieve arbitrary file modification or potential privilege escalation. The vulnerability exists because repository management operations fail to sanitize…