CVE-2015-8844 Denial of service in n/a

What is CVE-2015-8844?

CVE-2015-8844 is a medium-severity denial of service vulnerability in Linux kernel, published on 27 Apr 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The signal implementation in the Linux kernel before 4.3.5 on powerpc platforms does not check for an MSR with both the S and T bits set, which allows local users to cause a denial of service (TM Bad Thing exception and panic) via a crafted application.

Weakness: CWE-20

Which versions are affected by CVE-2015-8844?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2015-8844?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2015-8844 being exploited?

There is no known exploitation of CVE-2015-8844 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-2015-8844, GHSA-qhfv-w8w8-3r26, UBUNTU-CVE-2015-8844.