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A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.

🗓️ 02 Dec 2020 08:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 7 Views

Slab out of bounds read in Linux framebuffer console before 5.9.7 allows local attackers to read privileged data or crash the kernel.

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02 Dec 2020 08:00Current
8.3High risk
Vulners AI Score8.3
CVSS 3.15
CVSS 26.1
EPSS0.00059
7