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.
Metrics
CVSS 3.0 7.5/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=250c6c49e3b68756b14983c076183568636e2bdePatch, Vendor Advisory
- https://github.com/torvalds/linux/commit/250c6c49e3b68756b14983c076183568636e2bdePatch, Third Party Advisory
- https://marc.info/?l=linux-fbdev&m=151734425901499&w=2Issue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=250c6c49e3b68756b14983c076183568636e2bdePatch, Vendor Advisory
- https://github.com/torvalds/linux/commit/250c6c49e3b68756b14983c076183568636e2bdePatch, Third Party Advisory
- https://marc.info/?l=linux-fbdev&m=151734425901499&w=2Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Jan 31, 2018
- Last modified
- Jun 17, 2026
- NVD status
- Modified