fbdev: sisfb: Fix strbuf array overflow
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.8epss 0.3%
probabilidad de explotación
0.3%top 85% de las CVE
explotación observada
noninguna fuente lo reporta
In the Linux kernel, the following vulnerability has been resolved:
fbdev: sisfb: Fix strbuf array overflow
The values of the variables xres and yres are placed in strbuf.
These variables are obtained from strbuf1.
The strbuf1 array contains digit characters
and a space if the array contains non-digit characters.
Then, when executing sprintf(strbuf, "%ux%ux8", xres, yres);
more than 16 bytes will be written to strbuf.
It is suggested to increase the size of the strbuf array to 24.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Linux · LinuxReferencias
https://git.kernel.org/stable/c/11c0d49093b82f6c547fd419c41a982d26bdf5efhttps://git.kernel.org/stable/c/252f147b1826cbb30ae0304cf86b66d3bb12b743https://git.kernel.org/stable/c/41cf6f26abe4f491b694c54bd1aa2530369b7510https://git.kernel.org/stable/c/433c84c8495008922534c5cafdae6ff970fb3241https://git.kernel.org/stable/c/57c4f4db0a194416da237fd09dad9527e00cb587https://git.kernel.org/stable/c/688872c4ea4a528cd6a057d545c83506b533ee1fhttps://git.kernel.org/stable/c/889304120ecb2ca30674d89cd4ef15990b6a571chttps://git.kernel.org/stable/c/9cf14f5a2746c19455ce9cb44341b5527b5e19c3https://lists.debian.org/debian-lts-announce/2025/01/msg00001.htmlhttps://lists.debian.org/debian-lts-announce/2025/03/msg00002.html