CVE-2017-6874 Race condition in n/a

What is CVE-2017-6874?

CVE-2017-6874 is a high-severity vulnerability in Linux kernel, published on 14 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Race condition in kernel/ucount.c in the Linux kernel through 4.10.2 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls that leverage certain decrement behavior that causes incorrect interaction between put_ucounts and get_ucounts.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2017-6874?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-6874?

Apply the vendor's patch.

Is CVE-2017-6874 being exploited?

There is no known exploitation of CVE-2017-6874 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-2017-6874, GHSA-pw64-74q3-2v7r.