High severity7.5NVD Advisory· Published Jan 31, 2018· Updated Jun 17, 2026
CVE-2018-6412
CVE-2018-6412
Description
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.
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Affected products
2- Range: <=4.15
Patches
Vulnerability mechanics
References
3- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- github.com/torvalds/linux/commit/250c6c49e3b68756b14983c076183568636e2bdenvdPatchThird Party Advisory
- marc.infonvdIssue TrackingPatchThird Party Advisory
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