CVE-2018-13406
HighAn 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 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-190CVE-2018-13406 is a Integer Overflow vulnerability
What is Integer Overflow?
The product performs a calculation that can produce an integer overflow, leading to unexpected values. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2018-13406 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Securityfocushttp://www.securityfocus.com/bid/104685Third Party Advisory VDB Entry
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Securitytrackerhttp://www.securitytracker.com/id/1041355Third Party Advisory VDB Entry
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Release Notes
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Mailing List Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3752-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3752-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3752-3/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3753-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3753-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3754-1/Third Party Advisory
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f645bcc566a1e9f921bdae7528a01ced5bc3713
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713
Frequently asked questions
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What is CVE-2018-13406?
CVE-2018-13406 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Integer Overflow flaw (CWE-190) . CVE-2018-13406 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2018-13406?
CVE-2018-13406 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2018-13406?
No patch is currently available for CVE-2018-13406. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2018-13406 actively exploited?
No — CVE-2018-13406 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Integer Overflow (CWE-190)?
The product performs a calculation that can produce an integer overflow, leading to unexpected values. View CWE-190 on MITRE CWE →