net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak
3Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackepss 0.1%
probabilidad de explotación
0.1%top 98% de las CVE
explotación observada
noninguna fuente lo reporta
In the Linux kernel, the following vulnerability has been resolved:
net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak
When processing Router Advertisements with user options the kernel
builds an RTM_NEWNDUSEROPT netlink message. The nduseroptmsg struct
has three padding fields that are never zeroed and can leak kernel data
The fix is simple, just zeroes the padding fields.
Productos afectados
Linux · LinuxReferencias
https://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-082556.htmlhttps://git.kernel.org/stable/c/11d7fe97421cfc81549940c20ed5ac9472d6db05https://git.kernel.org/stable/c/1da9023f6b071a38e5430ffbce4b70b2b1ac4f9chttps://git.kernel.org/stable/c/2fe4d0ba690a69ad6ae9f7ab9bdc96e02610b648https://git.kernel.org/stable/c/4f810c686fde509d1cdaa706322d9d2531f8f1a4https://git.kernel.org/stable/c/7f56d87e527bb5a13c3e8b0d5840cb6332822f6dhttps://git.kernel.org/stable/c/ae05340ccaa9d347fe85415609e075545bec589fhttps://git.kernel.org/stable/c/b485eef3d97b7aae55ce669b6de555ec81f3d21chttps://git.kernel.org/stable/c/ef3645606e4a635d5062a492f22b7f490852ee67