CVE-2015-8844

Medium

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.

Package Linux Kernel
Published 2016-04-27
Last modified 2026-05-06
CVSS version 3.0
Patch available
Awaiting data

CVSS 3.0 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness type

CWE-20

CVE-2015-8844 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

8 total
Showing 5 of 8 references View all on NVD

Frequently asked questions

  • What is CVE-2015-8844?

    CVE-2015-8844 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2015-8844 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2015-8844?

    CVE-2015-8844 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2015-8844?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2015-8844 patch availability.

  • Is CVE-2015-8844 actively exploited?

    No. CVE-2015-8844 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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