CVE-2023-53077: fallo en Linux
drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes
Publicada el · Actualizada el
3Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackepss 0.2%
probabilidad de explotación
0.2%top 89% de las CVE
explotación observada
noninguna fuente lo reporta
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes
[WHY]
When PTEBufferSizeInRequests is zero, UBSAN reports the following
warning because dml_log2 returns an unexpected negative value:
shift exponent 4294966273 is too large for 32-bit type 'int'
[HOW]
In the case PTEBufferSizeInRequests is zero, skip the dml_log2() and
assign the result directly.
Productos afectados
Linux · LinuxCVEs relacionadas — Linux
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Referencias
https://git.kernel.org/stable/c/031f196d1b1b6d5dfcb0533b431e3ab1750e6189https://git.kernel.org/stable/c/7257070be70e19a9138f39009c1a26c83a8a7cfahttps://git.kernel.org/stable/c/a16394b5d661afec9a264fecac3abd87aea439eahttps://git.kernel.org/stable/c/bec1bea2fa974e63f6059c33edde669c7894d0bchttps://git.kernel.org/stable/c/e12b95680821b9880cd9992c0f3555389363604f