CVE-2018-6412 (linux_kernel)
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In the function sbusfb_ioctl_helper() in drivers/video/fbdev/sbuslib.c in the Linux kernel through 4.15, an integer signedness error allows arbitrary information leakage for the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands.
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-6412
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