CVE-2023-39198: fallo de gravedad alta en Red Hat Enterprise Linux 6
Kernel: qxl: race condition leading to use-after-free in qxl_mode_dumb_create()
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.5epss 0.4%
A race condition was found in the QXL driver in the Linux kernel. The qxl_mode_dumb_create() function dereferences the qobj returned by the qxl_gem_object_create_with_handle(), but the handle is the only one holding a reference to it. This flaw allows an attacker to guess the returned handle value and trigger a use-after-free issue, potentially leading to a denial of service or privilege escalation.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Productos afectados
Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9CVEs relacionadas — Red Hat Enterprise Linux 6
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Referencias
https://access.redhat.com/errata/RHSA-2024:2394https://access.redhat.com/errata/RHSA-2024:2950https://access.redhat.com/errata/RHSA-2024:3138https://access.redhat.com/security/cve/CVE-2023-39198https://bugzilla.redhat.com/show_bug.cgi?id=2218332https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html