Information Exposure Affecting linux-4.9 package, versions <4.9.110-1~deb8u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIAN8-LINUX49-263010
- published31 Jan 2018
- disclosed31 Jan 2018
Introduced: 31 Jan 2018
CVE-2018-6412 (opens in a new tab)How to fix?
Upgrade Debian:8 linux-4.9 to version 4.9.110-1~deb8u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream linux-4.9 package and not the linux-4.9 package as distributed by Debian.
See How to fix? for Debian:8 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2018-6412
- 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