CVE-2017-12192

 

Published at: - 12-10-2017 02:29

Last modified: - 26-10-2022 01:44

Total changes: - 3

Description

The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://lkml.org/lkml/2017/9/18/764
• https://bugzilla.redhat.com/show_bug.cgi?id=1493435
• https://github.com/torvalds/linux/commit/37863c43b2c6464f252862bf2e9768264e961678
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=37863c43b2c6464f252862bf2e9768264e961678
• RHSA-2018:0151-
• USN-3583-2-
• USN-3583-1-

 

Keywords

NVD

 

CVE-2017-12192

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures