CVE-2014-7842 Race condition in n/a

What is CVE-2014-7842?

CVE-2014-7842 is a medium-severity vulnerability in Linux kernel, published on 30 Nov 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service (guest OS crash) via a crafted application that performs an MMIO transaction or a PIO transaction to trigger a guest userspace emulation error report, a similar issue to CVE-2010-5313.

Weakness: CWE-362

Which versions are affected by CVE-2014-7842?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2014-7842?

Upgrade to a fixed version.

Is CVE-2014-7842 being exploited?

There is no known exploitation of CVE-2014-7842 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-7842, GHSA-5j6g-rhrc-x47f, UBUNTU-CVE-2014-7842.