CVE-2018-13406
HIGH
7.8
CVSS Score
Published: July 6, 2018 at 02:00 PM UTC
Updated: June 17, 2026 at 01:39 AM UTC
3 products affected across 3 vendorsLinux KernelDebian LinuxUbuntu Linux
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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%2.6.24 ≤ v < 3.16.583.17 ≤ v < 3.18.1143.19 ≤ v < 4.4.1394.10 ≤ v < 4.14.534.15 ≤ v < 4.17.44.5 ≤ v < 4.9.111
Affected range stops below 3.16.58, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.18.114, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.14.53, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.17.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.139, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.111, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (12)
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/104685VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1041355x_refsource_MISCRelease Notes
Source: [email protected]
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.4x_refsource_MISCPatch
Source: [email protected]
https://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlVendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3752-1/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3752-2/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-190
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