CVE-2017-15299 Null dereference in n/a

What is CVE-2017-15299?

CVE-2017-15299 is a medium-severity vulnerability in Linux kernel, published on 14 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 through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.

Weakness: CWE-476

Which versions are affected by CVE-2017-15299?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-15299?

Apply the vendor's patch.

Is CVE-2017-15299 being exploited?

There is no known exploitation of CVE-2017-15299 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-2017-15299, GHSA-87f2-g6cv-pjh2, UBUNTU-CVE-2017-15299.