CVE-2017-15951 Race condition in n/a

What is CVE-2017-15951?

CVE-2017-15951 is a high-severity vulnerability in Linux kernel, published on 28 Oct 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The KEYS subsystem in the Linux kernel before 4.13.10 does not correctly synchronize the actions of updating versus finding a key in the "negative" state to avoid a race condition, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls.

Weakness: CWE-20

Which versions are affected by CVE-2017-15951?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-15951?

Apply the vendor's patch.

Is CVE-2017-15951 being exploited?

There is no known exploitation of CVE-2017-15951 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-2017-15951, GHSA-8p9c-9w33-84r2, UBUNTU-CVE-2017-15951.