Samba: vfs_streams_xattr uninitialized memory write possible
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 4.3epss 0.5%
probabilidad de explotación
0.5%top 61% de las CVE
explotación observada
noninguna fuente lo reporta
A flaw was found in Samba, in the vfs_streams_xattr module, where uninitialized heap memory could be written into alternate data streams. This allows an authenticated user to read residual memory content that may include sensitive data, resulting in an information disclosure vulnerability.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Productos afectados
sambaRed Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat OpenShift Container Platform 4Referencias
https://access.redhat.com/security/cve/CVE-2025-9640https://bugzilla.redhat.com/show_bug.cgi?id=2391698https://lists.debian.org/debian-lts-announce/2025/11/msg00027.htmlhttps://www.samba.org/samba/history/security.htmlhttp://www.openwall.com/lists/oss-security/2025/10/15/2http://www.openwall.com/lists/oss-security/2025/10/16/2