CVE-2017-11176

 

Published at: - 12-07-2017 01:29

Last modified: - 17-01-2023 10:01

Total changes: - 4

Description

The mq_notify function in the Linux kernel through 4.11.9 does not set the sock pointer to NULL upon entry into the retry logic. During a user-space close of a Netlink socket, it allows attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://github.com/torvalds/linux/commit/f991af3daabaecff34684fd51fac80319d1baad1
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f991af3daabaecff34684fd51fac80319d1baad1
• 99919-Third Party Advisory, VDB Entry
• DSA-3945-Third Party Advisory
• DSA-3927-Third Party Advisory
• RHSA-2017:2931-Third Party Advisory
• RHSA-2017:2930-Third Party Advisory
• RHSA-2017:2918-Third Party Advisory
• RHSA-2018:0169-Third Party Advisory
• 45553-Third Party Advisory, VDB Entry
• https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
• RHSA-2018:3822-Third Party Advisory

 

Keywords

NVD

 

CVE-2017-11176

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures