CVE-2015-8844

 

Published at: - 27-04-2016 07:59

Last modified: - 21-09-2022 08:44

Total changes: - 2

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

 

Verification logic

 

Reference

• [oss-security] 20160413 CVE Request: Linux kernel: incorrect restoration of machine specific registers from signal handler.-
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d2b9d2a5ad5ef04ff978c9923d19730cb05efd55
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5
• https://bugzilla.redhat.com/show_bug.cgi?id=1326540
• https://github.com/torvalds/linux/commit/d2b9d2a5ad5ef04ff978c9923d19730cb05efd55
• 1035594-
• RHSA-2016:2584-
• RHSA-2016:2574-

 

Keywords

NVD

 

CVE-2015-8844

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures