Vulnerability Description
An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.24, < 3.16.58 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f645bPatch
- http://www.securityfocus.com/bid/104685Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041355Third Party AdvisoryVDB Entry
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.4Release Notes
- https://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc371Patch
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/3752-1/Third Party Advisory
- https://usn.ubuntu.com/3752-2/Third Party Advisory
- https://usn.ubuntu.com/3752-3/Third Party Advisory
- https://usn.ubuntu.com/3753-1/Third Party Advisory
- https://usn.ubuntu.com/3753-2/Third Party Advisory
- https://usn.ubuntu.com/3754-1/Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f645bPatch
- http://www.securityfocus.com/bid/104685Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041355Third Party AdvisoryVDB Entry
FAQ
What is CVE-2018-13406?
CVE-2018-13406 is a vulnerability with a CVSS score of 7.8 (HIGH). An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially ele...
How severe is CVE-2018-13406?
CVE-2018-13406 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-13406?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux.