What’s Vulnerable › Vulnerabilities

CVE-2018-6412

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-01-31 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• Linux kernel: through 4.15

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=250c6c49e3b68756b14983c076183568636e2bde
• https://github.com/torvalds/linux/commit/250c6c49e3b68756b14983c076183568636e2bde
• https://marc.info/?l=linux-fbdev&m=151734425901499&w=2
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=250c6c49e3b68756b14983c076183568636e2bde
• https://github.com/torvalds/linux/commit/250c6c49e3b68756b14983c076183568636e2bde
• https://marc.info/?l=linux-fbdev&m=151734425901499&w=2

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